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HTML text fundamentals - Learn web development
addeventlistener('load', updatecode); // stop tab key tabbing out of textarea and // make it write a tab at the caret position instead textarea.onkeydown = function(e){ if (e.keycode === 9) { e.preventdefault(); insertatcaret('\t'); } if (e.keycode === 27) { textarea.blur(); } }; function insertatcaret(text) { var scrollpos = textarea.scrolltop; var caretpos = textarea.
selectionstart; var front = (textarea.value).substring(0, caretpos); var back = (textarea.value).substring(textarea.selectionend, textarea.value.length); textarea.value = front + text + back; caretpos = caretpos + text.length; textarea.
selectionstart = caretpos; textarea.selectionend = caretpos; textarea.focus(); textarea.scrolltop = scrollpos; } // update the saved usercode every time the use...
...addeventlistener('load', updatecode); // stop tab key tabbing out of textarea and // make it write a tab at the caret position instead textarea.onkeydown = function(e){ if (e.keycode === 9) { e.preventdefault(); insertatcaret('\t'); } if (e.keycode === 27) { textarea.blur(); } }; function insertatcaret(text) { var scrollpos = textarea.scrolltop; var caretpos = textarea.
selectionstart; var front = (textarea.value).substring(0, caretpos); var back = (textarea.value).substring(textarea.selectionend, textarea.value.length); textarea.value = front + text + back; caretpos = caretpos + text.length; textarea.
selectionstart = caretpos; textarea.selectionend = caretpos; textarea.focus(); textarea.scrolltop = scrollpos; } // update the saved usercode every time the use...
...addeventlistener('load', updatecode); // stop tab key tabbing out of textarea and // make it write a tab at the caret position instead textarea.onkeydown = function(e){ if (e.keycode === 9) { e.preventdefault(); insertatcaret('\t'); } if (e.keycode === 27) { textarea.blur(); } }; function insertatcaret(text) { var scrollpos = textarea.scrolltop; var caretpos = textarea.
selectionstart; var front = (textarea.value).substring(0, caretpos); var back = (textarea.value).substring(textarea.selectionend, textarea.value.length); textarea.value = front + text + back; caretpos = caretpos + text.length; textarea.
selectionstart = caretpos; textarea.selectionend = caretpos; textarea.focus(); textarea.scrolltop = scrollpos; } // update the saved usercode every time the use...
...And 2 more matches
HTMLInputElement.setSelectionRange() - Web APIs
this method updates the htmlinputelement.
selectionstart, selectionend, and selectiondirection properties in one call.
... note that accordingly to the whatwg forms spec
selectionstart, selectionend properties and setselectionrange method apply only to inputs of types text, search, url, tel and password.
...for example, on input of type number: "failed to read the '
selectionstart' property from 'htmlinputelement': the input element's type ('number') does not support selection".
...And 2 more matches
HTMLTextAreaElement - Web APIs
on being set, the control behaves as if setselectionrange() had been called with this as the second argument, and
selectionstart as the first argument.
...
selectionstart unsigned long: returns / sets the index of the beginning of selected text.
... javascript function insertmetachars(sstarttag, sendtag) { var bdouble = arguments.length > 1, omsginput = document.myform.mytxtarea, nselstart = omsginput.
selectionstart, nselend = omsginput.selectionend, soldtext = omsginput.value; omsginput.value = soldtext.substring(0, nselstart) + (bdouble ?
...And 2 more matches
textbox (Toolkit autocomplete) - Archive of obsolete content
owimagecolumn, size, tabindex, tabscrolling, timeout, type, value properties accessibletype, completedefaultindex, controller, crop, disableautocomplete, disablekeynavigation, disabled, editable, focused, forcecomplete, highlightnonmatches, ignoreblurwhilesearching, inputfield, label, maxlength, maxrows, minresultsforpopup, open, popup, popupopen, searchcount, searchparam, selectionend,
selectionstart, showcommentcolumn, showimagecolumn,size, tabindex, tabscrolling, textlength, textvalue, timeout, type, value methods getsearchat, onsearchcomplete, ontextentered, ontextreverted, select, setselectionrange examples <textbox type="autocomplete" autocompletesearch="history"/> attributes accesskey type: character this should be set to a character that is used as a shortcut key.
...use in conjuction with the
selectionstart property.
...if this value is equal to the value of the
selectionstart property, no text is selected, but the value indicates the position of the caret (cursor) within the textbox.
...
selectionstart type: integer get or set the beginning of the selected portion of the field's text.
Textbox (XPFE autocomplete) - Archive of obsolete content
perties accessible, alwaysopenpopup, autofill, autofillaftermatch, completedefaultindex, crop, disableautocomplete, disabled, editable, focused, forcecomplete, highlightnonmatches, ignoreblurwhilesearching, inputfield, issearching, iswaiting, label, maxlength, maxrows, minresultsforpopup, nomatch, open, popup, popupopen, resultspopup, searchcount, searchparam, searchsessions, selectionend,
selectionstart, sessioncount, showcommentcolumn, showpopup, size, tabindex, tabscrolling, textlength, textvalue, timeout, type, useraction, value methods addsession, clearresults, getdefaultsession, getresultat, getresultcount, getresultvalueat, getsession, getsessionbyname, getsessionresultat, getsessionstatusat, getsessionvalueat, removesession, select, setselectionrange, syncsessions example...
...use in conjuction with the
selectionstart property.
...if this value is equal to the value of the
selectionstart property, no text is selected, but the value indicates the position of the caret (cursor) within the textbox.
...
selectionstart type: integer get or set the beginning of the selected portion of the field's text.
textbox - Archive of obsolete content
tiline, newlines, onblur, onchange, onfocus, oninput, placeholder, preference, readonly, rows, searchbutton, size, spellcheck, tabindex, timeout, type, value, wrap, wraparound properties accessibletype, clickselectsall, decimalplaces, decimalsymbol, defaultvalue, disabled, editor, emptytext, increment, inputfield, label, max, maxlength, min, placeholder, readonly, searchbutton, selectionend,
selectionstart, size, spinbuttons, tabindex, textlength, timeout, type, value, valuenumber, wraparound methods decrease, increase, reset, select, setselectionrange style classes plain examples <vbox> <label control="your-name" value="enter your name:"/> <textbox id="your-name" value="john"/> </vbox> attributes cols type: integer for multiline textboxes, the number of columns to disp...
...use in conjuction with the
selectionstart property.
...if this value is equal to the value of the
selectionstart property, no text is selected, but the value indicates the position of the caret (cursor) within the textbox.
...
selectionstart type: integer get or set the beginning of the selected portion of the field's text.
Advanced text formatting - Learn web development
ventlistener('load', updatecode); // stop tab key tabbing out of textarea and // make it write a tab at the caret position instead textarea.onkeydown = function(e){ if (e.keycode === 9) { e.preventdefault(); insertatcaret('\t'); } if (e.keycode === 27) { textarea.blur(); } }; function insertatcaret(text) { const scrollpos = textarea.scrolltop; const caretpos = textarea.
selectionstart; const front = (textarea.value).substring(0, caretpos); const back = (textarea.value).substring(textarea.selectionend, textarea.value.length); textarea.value = front + text + back; caretpos = caretpos + text.length; textarea.
selectionstart = caretpos; textarea.selectionend = caretpos; textarea.focus(); textarea.scrolltop = scrollpos; } // update the saved usercode every time the...
...ventlistener('load', updatecode); // stop tab key tabbing out of textarea and // make it write a tab at the caret position instead textarea.onkeydown = function(e){ if (e.keycode === 9) { e.preventdefault(); insertatcaret('\t'); } if (e.keycode === 27) { textarea.blur(); } }; function insertatcaret(text) { const scrollpos = textarea.scrolltop; const caretpos = textarea.
selectionstart; const front = (textarea.value).substring(0, caretpos); const back = (textarea.value).substring(textarea.selectionend, textarea.value.length); textarea.value = front + text + back; caretpos = caretpos + text.length; textarea.
selectionstart = caretpos; textarea.selectionend = caretpos; textarea.focus(); textarea.scrolltop = scrollpos; } // update the saved usercode every time the...
...ventlistener('load', updatecode); // stop tab key tabbing out of textarea and // make it write a tab at the caret position instead textarea.onkeydown = function(e){ if (e.keycode === 9) { e.preventdefault(); insertatcaret('\t'); } if (e.keycode === 27) { textarea.blur(); } }; function insertatcaret(text) { const scrollpos = textarea.scrolltop; const caretpos = textarea.
selectionstart; const front = (textarea.value).substring(0, caretpos); const back = (textarea.value).substring(textarea.selectionend, textarea.value.length); textarea.value = front + text + back; caretpos = caretpos + text.length; textarea.
selectionstart = caretpos; textarea.selectionend = caretpos; textarea.focus(); textarea.scrolltop = scrollpos; } // update the saved usercode every time the...
Getting started with HTML - Learn web development
addeventlistener('load', updatecode); // stop tab key tabbing out of textarea and // make it write a tab at the caret position instead textarea.onkeydown = function(e){ if (e.keycode === 9) { e.preventdefault(); insertatcaret('\t'); } if (e.keycode === 27) { textarea.blur(); } }; function insertatcaret(text) { var scrollpos = textarea.scrolltop; var caretpos = textarea.
selectionstart; var front = (textarea.value).substring(0, caretpos); var back = (textarea.value).substring(textarea.selectionend, textarea.value.length); textarea.value = front + text + back; caretpos = caretpos + text.length; textarea.
selectionstart = caretpos; textarea.selectionend = caretpos; textarea.focus(); textarea.scrolltop = scrollpos; } // update the saved usercode every time the use...
...addeventlistener('load', updatecode); // stop tab key tabbing out of textarea and // make it write a tab at the caret position instead textarea.onkeydown = function(e){ if (e.keycode === 9) { e.preventdefault(); insertatcaret('\t'); } if (e.keycode === 27) { textarea.blur(); } }; function insertatcaret(text) { var scrollpos = textarea.scrolltop; var caretpos = textarea.
selectionstart; var front = (textarea.value).substring(0, caretpos); var back = (textarea.value).substring(textarea.selectionend, textarea.value.length); textarea.value = front + text + back; caretpos = caretpos + text.length; textarea.
selectionstart = caretpos; textarea.selectionend = caretpos; textarea.focus(); textarea.scrolltop = scrollpos; } // update the saved usercode every time the use...
...addeventlistener('load', updatecode); // stop tab key tabbing out of textarea and // make it write a tab at the caret position instead textarea.onkeydown = function(e){ if (e.keycode === 9) { e.preventdefault(); insertatcaret('\t'); } if (e.keycode === 27) { textarea.blur(); } }; function insertatcaret(text) { var scrollpos = textarea.scrolltop; var caretpos = textarea.
selectionstart; var front = (textarea.value).substring(0, caretpos); var back = (textarea.value).substring(textarea.selectionend, textarea.value.length); textarea.value = front + text + back; caretpos = caretpos + text.length; textarea.
selectionstart = caretpos; textarea.selectionend = caretpos; textarea.focus(); textarea.scrolltop = scrollpos; } // update the saved usercode every time the use...
Useful string methods - Learn web development
ventlistener('load', updatecode); // stop tab key tabbing out of textarea and // make it write a tab at the caret position instead textarea.onkeydown = function(e){ if (e.keycode === 9) { e.preventdefault(); insertatcaret('\t'); } if (e.keycode === 27) { textarea.blur(); } }; function insertatcaret(text) { const scrollpos = textarea.scrolltop; const caretpos = textarea.
selectionstart; const front = (textarea.value).substring(0, caretpos); const back = (textarea.value).substring(textarea.selectionend, textarea.value.length); textarea.value = front + text + back; caretpos = caretpos + text.length; textarea.
selectionstart = caretpos; textarea.selectionend = caretpos; textarea.focus(); textarea.scrolltop = scrollpos; } // update the saved usercode every time the...
...ventlistener('load', updatecode); // stop tab key tabbing out of textarea and // make it write a tab at the caret position instead textarea.onkeydown = function(e){ if (e.keycode === 9) { e.preventdefault(); insertatcaret('\t'); } if (e.keycode === 27) { textarea.blur(); } }; function insertatcaret(text) { const scrollpos = textarea.scrolltop; const caretpos = textarea.
selectionstart; const front = (textarea.value).substring(0, caretpos); const back = (textarea.value).substring(textarea.selectionend, textarea.value.length); textarea.value = front + text + back; caretpos = caretpos + text.length; textarea.
selectionstart = caretpos; textarea.selectionend = caretpos; textarea.focus(); textarea.scrolltop = scrollpos; } // update the saved usercode every time the...
...ventlistener('load', updatecode); // stop tab key tabbing out of textarea and // make it write a tab at the caret position instead textarea.onkeydown = function(e){ if (e.keycode === 9) { e.preventdefault(); insertatcaret('\t'); } if (e.keycode === 27) { textarea.blur(); } }; function insertatcaret(text) { const scrollpos = textarea.scrolltop; const caretpos = textarea.
selectionstart; const front = (textarea.value).substring(0, caretpos); const back = (textarea.value).substring(textarea.selectionend, textarea.value.length); textarea.value = front + text + back; caretpos = caretpos + text.length; textarea.
selectionstart = caretpos; textarea.selectionend = caretpos; textarea.focus(); textarea.scrolltop = scrollpos; } // update the saved usercode every time the...
selectionEnd - Archive of obsolete content
use in conjuction with the
selectionstart property.
...if this value is equal to the value of the
selectionstart property, no text is selected, but the value indicates the position of the caret (cursor) within the textbox.
Images in HTML - Learn web development
addeventlistener('load', updatecode); // stop tab key tabbing out of textarea and // make it write a tab at the caret position instead textarea.onkeydown = function(e){ if (e.keycode === 9) { e.preventdefault(); insertatcaret('\t'); } if (e.keycode === 27) { textarea.blur(); } }; function insertatcaret(text) { var scrollpos = textarea.scrolltop; var caretpos = textarea.
selectionstart; var front = (textarea.value).substring(0, caretpos); var back = (textarea.value).substring(textarea.selectionend, textarea.value.length); textarea.value = front + text + back; caretpos = caretpos + text.length; textarea.
selectionstart = caretpos; textarea.selectionend = caretpos; textarea.focus(); textarea.scrolltop = scrollpos; } // update the saved usercode every time the use...
...addeventlistener('load', updatecode); // stop tab key tabbing out of textarea and // make it write a tab at the caret position instead textarea.onkeydown = function(e){ if (e.keycode === 9) { e.preventdefault(); insertatcaret('\t'); } if (e.keycode === 27) { textarea.blur(); } }; function insertatcaret(text) { var scrollpos = textarea.scrolltop; var caretpos = textarea.
selectionstart; var front = (textarea.value).substring(0, caretpos); var back = (textarea.value).substring(textarea.selectionend, textarea.value.length); textarea.value = front + text + back; caretpos = caretpos + text.length; textarea.
selectionstart = caretpos; textarea.selectionend = caretpos; textarea.focus(); textarea.scrolltop = scrollpos; } // update the saved usercode every time the use...
Looping code - Learn web development
ventlistener('load', updatecode); // stop tab key tabbing out of textarea and // make it write a tab at the caret position instead textarea.onkeydown = function(e){ if (e.keycode === 9) { e.preventdefault(); insertatcaret('\t'); } if (e.keycode === 27) { textarea.blur(); } }; function insertatcaret(text) { const scrollpos = textarea.scrolltop; const caretpos = textarea.
selectionstart; const front = (textarea.value).substring(0, caretpos); const back = (textarea.value).substring(textarea.selectionend, textarea.value.length); textarea.value = front + text + back; caretpos = caretpos + text.length; textarea.
selectionstart = caretpos; textarea.selectionend = caretpos; textarea.focus(); textarea.scrolltop = scrollpos; } // update the saved usercode every time the...
...ventlistener('load', updatecode); // stop tab key tabbing out of textarea and // make it write a tab at the caret position instead textarea.onkeydown = function(e){ if (e.keycode === 9) { e.preventdefault(); insertatcaret('\t'); } if (e.keycode === 27) { textarea.blur(); } }; function insertatcaret(text) { const scrollpos = textarea.scrolltop; const caretpos = textarea.
selectionstart; const front = (textarea.value).substring(0, caretpos); const back = (textarea.value).substring(textarea.selectionend, textarea.value.length); textarea.value = front + text + back; caretpos = caretpos + text.length; textarea.
selectionstart = caretpos; textarea.selectionend = caretpos; textarea.focus(); textarea.scrolltop = scrollpos; } // update the saved usercode every time the...
Making decisions in your code — conditionals - Learn web development
ventlistener('load', updatecode); // stop tab key tabbing out of textarea and // make it write a tab at the caret position instead textarea.onkeydown = function(e){ if (e.keycode === 9) { e.preventdefault(); insertatcaret('\t'); } if (e.keycode === 27) { textarea.blur(); } }; function insertatcaret(text) { const scrollpos = textarea.scrolltop; const caretpos = textarea.
selectionstart; const front = (textarea.value).substring(0, caretpos); const back = (textarea.value).substring(textarea.selectionend, textarea.value.length); textarea.value = front + text + back; caretpos = caretpos + text.length; textarea.
selectionstart = caretpos; textarea.selectionend = caretpos; textarea.focus(); textarea.scrolltop = scrollpos; } // update the saved usercode every time the...
...ventlistener('load', updatecode); // stop tab key tabbing out of textarea and // make it write a tab at the caret position instead textarea.onkeydown = function(e){ if (e.keycode === 9) { e.preventdefault(); insertatcaret('\t'); } if (e.keycode === 27) { textarea.blur(); } }; function insertatcaret(text) { const scrollpos = textarea.scrolltop; const caretpos = textarea.
selectionstart; const front = (textarea.value).substring(0, caretpos); const back = (textarea.value).substring(textarea.selectionend, textarea.value.length); textarea.value = front + text + back; caretpos = caretpos + text.length; textarea.
selectionstart = caretpos; textarea.selectionend = caretpos; textarea.focus(); textarea.scrolltop = scrollpos; } // update the saved usercode every time the...
Arrays - Learn web development
entlistener('load', updatecode); // stop tab key tabbing out of textarea and // make it write a tab at the caret position instead textarea.onkeydown = function(e){ if (e.keycode === 9) { e.preventdefault(); insertatcaret('\t'); } if (e.keycode === 27) { textarea.blur(); } }; function insertatcaret(text) { const scrollpos = textarea.scrolltop; const caretpos = textarea.
selectionstart; const front = (textarea.value).substring(0, caretpos); const back = (textarea.value).substring(textarea.selectionend, textarea.value.length); textarea.value = front + text + back; caretpos = caretpos + text.length; textarea.
selectionstart = caretpos; textarea.selectionend = caretpos; textarea.focus(); textarea.scrolltop = scrollpos; } // update the saved usercode every time the...
...ventlistener('load', updatecode); // stop tab key tabbing out of textarea and // make it write a tab at the caret position instead textarea.onkeydown = function(e){ if (e.keycode === 9) { e.preventdefault(); insertatcaret('\t'); } if (e.keycode === 27) { textarea.blur(); } }; function insertatcaret(text) { const scrollpos = textarea.scrolltop; const caretpos = textarea.
selectionstart; const front = (textarea.value).substring(0, caretpos); const back = (textarea.value).substring(textarea.selectionend, textarea.value.length); textarea.value = front + text + back; caretpos = caretpos + text.length; textarea.
selectionstart = caretpos; textarea.selectionend = caretpos; textarea.focus(); textarea.scrolltop = scrollpos; } // update the saved usercode every time the...
DocumentOrShadowRoot.activeElement - Web APIs
if so, you can get more detail by using the object's
selectionstart and selectionend properties.
...morbi sed euismod diam.</textarea> </form> <p>active element id: <b id="output-element"></b></p> <p>selected text: <b id="output-text"></b></p> javascript function onmouseup(e) { const activetextarea = document.activeelement; const selection = activetextarea.value.substring( activetextarea.
selectionstart, activetextarea.selectionend ); const outputelement = document.getelementbyid('output-element'); const outputtext = document.getelementbyid('output-text'); outputelement.innerhtml = activetextarea.id; outputtext.innerhtml = selection; } const textarea1 = document.getelementbyid('ta-example-one'); const textarea2 = document.getelementbyid('ta-example-two'); textarea1.addeventlistener('...
HTMLInputElement - Web APIs
selectionstart unsigned long: returns / sets the beginning index of the selected text.
... the following properties have been added: autocomplete, autofocus, dirname, files, formaction, formenctype, formmethod, formnovalidate, formtarget, height, indeterminate, labels, list, max, min, multiple, pattern, placeholder, required, selectiondirection, selectionend,
selectionstart, step, validationmessage, validity, valueasdate, valueasnumber, width, and willvalidate.
<input type="password"> - HTML: Hypertext Markup Language
value a domstring representing a password, or empty events change and input supported common attributes autocomplete, inputmode, maxlength, minlength, pattern, placeholder, readonly, required, and size idl attributes
selectionstart, selectionend, selectiondirection, and value methods select(), setrangetext(), and setselectionrange() value the value attribute contains a domstring whose value is the current contents of the text editing control being used to enter the password.
... html <label for="userpassword">password: </label> <input id="userpassword" type="password" size="12"> <button id="selectall">select all</button> javascript document.getelementbyid("selectall").onclick = function() { document.getelementbyid("userpassword").select(); } result you can also use
selectionstart and selectionend to get (or set) what range of characters in the control are currently selected, and selectiondirection to know which direction selection occurred in (or will be extended in, depending on your platform; see its documentation for an explanation).
Miscellaneous - Archive of obsolete content
addeventlistener("blur", function(e) {onblurinput(e);}, false); } } function onfocusinput(focusevent) { focusedcontrol = focusevent.originaltarget; } function onblurinput(blurevent) { focusedcontrol = null; } or var element = document.commanddispatcher.focusedelement; inserting text at the cursor function inserttext(element, snippet) { var selectionend = element.
selectionstart + snippet.length; var currentvalue = element.value; var beforetext = currentvalue.substring(0, element.
selectionstart); var aftertext = currentvalue.substring(element.selectionend, currentvalue.length); element.value = beforetext + snippet + aftertext; element.focus(); //put the cursor after the inserted text element.setselectionrange(selectionend, selectionend); } inserttext(do...
Property - Archive of obsolete content
priority radiogroup readonly readonly ref resource resultspopup scrollboxobject scrollincrement scrollheight scrollwidth searchbutton searchcount searchlabel searchparam searchsessions second secondleadingzero securityui selected selectedbrowser selectedcount selectedindex selecteditem selecteditems selectedpanel selectedtab selectionend
selectionstart selstyle seltype sessioncount sessionhistory showcommentcolumn showpopup size smoothscroll spinbuttons src state statusbar statustext stringbundle strings style subject suppressonselect tabcontainer tabindex tabs tabscrolling tabpanels tag textlength textvalue timeout title toolbarname toolbarset tooltip tooltiptext top treeboxob...
Adding vector graphics to the Web - Learn web development
ventlistener('load', updatecode); // stop tab key tabbing out of textarea and // make it write a tab at the caret position instead textarea.onkeydown = function(e){ if (e.keycode === 9) { e.preventdefault(); insertatcaret('\t'); } if (e.keycode === 27) { textarea.blur(); } }; function insertatcaret(text) { const scrollpos = textarea.scrolltop; const caretpos = textarea.
selectionstart; const front = (textarea.value).substring(0, caretpos); const back = (textarea.value).substring(textarea.selectionend, textarea.value.length); textarea.value = front + text + back; caretpos = caretpos + text.length; textarea.
selectionstart = caretpos; textarea.selectionend = caretpos; textarea.focus(); textarea.scrolltop = scrollpos; } // update the saved usercode every time the...
From object to iframe — other embedding technologies - Learn web development
ventlistener('load', updatecode); // stop tab key tabbing out of textarea and // make it write a tab at the caret position instead textarea.onkeydown = function(e){ if (e.keycode === 9) { e.preventdefault(); insertatcaret('\t'); } if (e.keycode === 27) { textarea.blur(); } }; function insertatcaret(text) { const scrollpos = textarea.scrolltop; const caretpos = textarea.
selectionstart; const front = (textarea.value).substring(0, caretpos); const back = (textarea.value).substring(textarea.selectionend, textarea.value.length); textarea.value = front + text + back; caretpos = caretpos + text.length; textarea.
selectionstart = caretpos; textarea.selectionend = caretpos; textarea.focus(); textarea.scrolltop = scrollpos; } // update the saved usercode every time the...
nsIAutoCompleteInput
selectionstart long the starting index of the current selection in the text field.
Element: select event - Web APIs
examples selection logger <input value="try selecting some text in this element."> <p id="log"></p> function logselection(event) { const log = document.getelementbyid('log'); const selection = event.target.value.substring(event.target.
selectionstart, event.target.selectionend); log.textcontent = `you selected: ${selection}`; } const input = document.queryselector('input'); input.addeventlistener('select', logselection); onselect equivalent you can also set up the event handler using the onselect property: input.onselect = logselection; specifications specification status ui eventsthe definition of 'select' ...
GlobalEventHandlers.onselect - Web APIs
html <textarea>try selecting some text in this element.</textarea> <p id="log"></p> javascript function logselection(event) { const log = document.getelementbyid('log'); const selection = event.target.value.substring(event.target.
selectionstart, event.target.selectionend); log.textcontent = `you selected: ${selection}`; } const textarea = document.queryselector('textarea'); textarea.onselect = logselection; result specification specification status comment html living standardthe definition of 'onselect' in that specification.
Capabilities, constraints, and settings - Web APIs
function keydownhandler(event) { if (event.key == "tab") { let elem = event.target; let str = elem.value; let position = elem.
selectionstart; let newstr = str.substring(0, position) + " " + str.substring(position, str.length); elem.value = newstr; elem.
selectionstart = elem.selectionend = position + 2; event.preventdefault(); } } videoconstrainteditor.addeventlistener("keydown", keydownhandler, false); audioconstrainteditor.addeventlistener("keydown", keydownhandler, false); show constrainable propert...