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Published: 2011 Mar. 29 Updated: 2011 Mar. 29

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getElementsByClassName

...Using get elementByClassName

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Default example provided by web developer toolbox.
getElementsByClassName
syntax: document.getElementsByClassName("class1 class2");
returns: an array of all elements matching ALL criteria, including elements with class="class1 class2 class3", but not elements with class="class1"
drawbacks: not supported in older browsers, including IE < 9

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