JavaScript Events
Rumman Ansari
Software Engineer
2023-03-26
258
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☰ Table of Contents
Mouse events:
| Event Performed |
Event Handler |
Description |
| click |
onclick |
When mouse click on an element |
| mouseover |
onmouseover |
When the cursor of the mouse comes over the element |
| mouseout |
onmouseout |
When the cursor of the mouse leaves an element |
| mousedown |
onmousedown |
When the mouse button is pressed over the element |
| mouseup |
onmouseup |
When the mouse button is released over the element |
| mousemove |
onmousemove |
When the mouse movement takes place. |
Keyboard events:
| Event Performed |
Event Handler |
Description |
| Keydown & Keyup |
onkeydown & onkeyup |
When the user press and then release the key |
Form events:
| Event Performed |
Event Handler |
Description |
| focus |
onfocus |
When the user focuses on an element |
| submit |
onsubmit |
When the user submits the form |
| blur |
onblur |
When the focus is away from a form element |
| change |
onchange |
When the user modifies or changes the value of a form element |
Window/Document events
| Event Performed |
Event Handler |
Description |
| load |
onload |
When the browser finishes the loading of the page |
| unload |
onunload |
When the visitor leaves the current webpage, the browser unloads it |
| resize |
onresize |
When the visitor resizes the window of the browser |
Let's discuss some examples over events and their handlers.
onclick Event
<![CDATA[
<!doctype html>
<html lang="en">
<head> Javascript Events </head>
<body>
<form>
<input type="button" onclick="clickevent()" value="Who's this?" />
</form>
</body>
</html>
<script language="Javascript" type="text/Javascript">
function clickevent()
{
document.write("This is JavaTpoint");
}
</script>
]]>