Difference between revisions of "Traversing the DOM"
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Revision as of 19:24, 25 October 2016
Selecting Elements with the query selector
document.querySelector('h1');
document.querySelector('.classname'); // will return the 1st item with that class name
document.querySelectorAll('.classname'); // will return a array with all items with that class name
document.querySelector('#idname');
Creating and Inserting Elements
This will append the text after the first li
var p = document.createElement('P');
p.textContent = "A new Paragraph";
p.style.fontSize = '17px';
var li= document.querySelector('li');
li.appendChild(p);
This will append the text after the second li
var p = document.createElement('P');
p.textContent = "A new Paragraph";
p.style.fontSize = '17px';
var li= document.querySelectorAll('li')[1];
li.appendChild(p);
HTML
<body>
<h1>Outwter</h1>
<ul>
<li><a href="#">Link 1</a></li>
<li><a href="#">Link 2</a></li>
</ul>
</body>
==[[#top|Back To Top]]-[[Main_Page| Home]] - [[Java Script|Category]]==