The W3C HTML standard includes support for client-side scripting. It defines how locally executable scripts may be used in a web page. A particular client-side application, such as a web browser, may support several script languages. Script code may be executed as the document loads or at a later time.
Script code can be written directly in the HTML document inside:
SCRIPT elements may occur zero or more times within the HEAD and BODY elements. Scripts within script elements are processed as the document loads.
Events occur for different elements of a web-page:
Some browsers support additional event attributes (outside the standard), such as:
The HTML 4.01 specification reserves a syntax for the "future support of script macros" in HTML attributes, but they have not been incorporated into later standards and are not supported by any current browser.
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