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Event Handlers

The HTML 4.0 recommendation also allows for several event handlers that can be used to trigger the execution of script code embedded in an HTML document. Each event handler is tied to a specific event that can occur during a person's use of a browser. When a user submits a form, for example, you can capture that event and launch a field validation script using the onsubmit event handler:

<FORM ACTION=" register.cgi" METHOD="POST" onsubmit="validate();">


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