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User 1013753 avatar

By sonic0002
via pixelstech.net
Submitted: Jul 08 2013 / 06:27

DOM operation on browser is expensive. Although browser performance is improved much, multiple DOM elements insertion is still expensive and will affect the page load speed. Assume we have an ul element on our page, we now want to retrieve a JSON list using AJAX and then update the ul using JavaScript. Usually we may write it as :
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