how to add attribute to selected element in javascript
// Selecting the element
var btn = document.getElementById("myBtn");
// Setting new attributes
btn.setAttribute("class", "click-btn");
btn.setAttribute("disabled", "");how to add attribute to selected element in javascript
// Selecting the element
var btn = document.getElementById("myBtn");
// Setting new attributes
btn.setAttribute("class", "click-btn");
btn.setAttribute("disabled", "");make select option selected javascript
document.getElementById('personlist').getElementsByTagName('option')[11].selected = 'selected'add attribute in select option
<select id="select">
<option value="1" data-foo="dogs">this</option>
<option value="2" data-foo="cats">that</option>
<option value="3" data-foo="gerbils">other</option>
</select>
// JavaScript using jQuery
$(function(){
$('select').change(function(){
var selected = $(this).find('option:selected');
var extra = selected.data('foo');
...
});
});
// Plain old JavaScript
var sel = document.getElementById('select');
var selected = sel.options[sel.selectedIndex];
var extra = selected.getAttribute('data-foo');Copyright © 2021 Codeinu
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