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JavaScript function With events
1. Custom function
<script> function 函数名(形参1,形参2,形参n){ 语句 }</script>
The sample is as follows:
<script> function getArea(width,heigt){ var resule=width*heigt; document.write("面积为:"+resule); } </script> <script> getArea(3,4) </script>
2.JavaScript system function
<script> function getArea(){ var a=1; var b=2; var resule=eval(a+b); alert(resule); } </script> <script> getArea() </script>
2 .JavaScript event Page event:
onload() Page loading
onblur() Lose focus
onfocus() Gain focus
onchange() Input box changes
Mouse Event:
onclick() click
onmousedown() mouse move in
onmouseout() mouse move out
onmousemove() mouse move
Keyboard event:
onkeypress()
Form event :
onsubmit()
<script> window.onload=function(){ alert("页面加载完成") } </script>
JavaScript Browser Object Model
window() Top-level object hostory() browser record object
location() address object
document() document object
window( ) method
window() attribute
navigator() method
navigator() attribute
screen() attribute
history() method
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