ISMA309


Event handlers

by Haig. Average Reading Time: less than a minute.

An event handler can be considered a trigger that executes code when something happens, in the ‘event’ of a click or move your mouse over a link, submit a form etc.

onClick

onClick handlers execute something only when users click on buttons, links, etc. Let’s see an example:

	
		
		

The function specialsauce() is invoked when the user clicks the button. Note: Event handlers are not added inside the <script> tags, but rather, inside the html tags.

onLoad

The onload event handler is used to call the execution of JavaScript after loading:

	
		
		
	

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