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15.2 Selecting Document Elements

15.2 Selecting Document Elements


Most client-side JavaScript programs work by somehow manipulating one or more document elements. When these programs start, they can use the global variable document to refer to the Document object. In order to manipulate elements of the document, however, they must somehow obtain or select the Element objects that refer to those document elements. The DOM defines a number of ways to select elements; you can query a document for an element or elements:

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