JavaScript: Creating DOM Elements with JavaScript


show more The best way to create HTML elements dynamically with JavaScript is to manually create and insert individual DOM element nodes into your document. Learn two steps to creating DOM elements on the fly: creating the element with document.createElement or createTextNode and inserting it into the right place in your web page with appendChild or insertBefore. show less
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Creating DOM elements

While you could use the innerHTML method to just write out a bunch of HTML and dump it into a position in your document, it's not a clean way to do it, and it's easy to make a mistake. The best way is to start manually creating and inserting individual DOM element nodes into your document, and this is a very powerful technique to learn. It lets you change your page on the fly and to do it, there's always two steps. One, you create the element. You say I want to create a paragraph or a heading or a list item or an anchor tag.

And step two is you then add that newly created element to the right place in the DOM, the right place in the document. So here's an example. If I imagine I've got a very simple HTML page representing here as a set of DOM nodes, I can see that my body consists of three things: an h1 heading, a paragraph, and an unordered list with an id of abc. That unordered list has three list items underneath it. And I can imagine I've already used getElement...

Creating DOM elements
Video duration: 8m 32s 5h 31m Beginner

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The best way to create HTML elements dynamically with JavaScript is to manually create and insert individual DOM element nodes into your document. Learn two steps to creating DOM elements on the fly: creating the element with document.createElement or createTextNode and inserting it into the right place in your web page with appendChild or insertBefore.

Subjects:
Developer Web
Software:
JavaScript
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