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javascript:void(0) ??

javascript:void(0) ??

??? javascript:void(0)? ?? ??? ?? ?????, JavaScript?? javascript:void(0)? ??? ??????

javascript:void(0)?? ?? ??? ?? void ??????. void? JavaScript?? ?? ??? ??????. ? ???? ???? ????? ????? ?? ????? ????.

?? ??? ??? ????. 

<head>
<script type="text/javascript">
<!--
void func()
javascript:void func()
或者
void(func())
javascript:void(func())
//-->
</script>
</head>

?? ??? ?????? ???? ???? ???? ?? ?? ???? ????. 

<!DOCTYPE html> 
<html>
<head> 
<meta charset="utf-8"> 
</head> 
<body>
    <a href="javascript:void(0)">單此處什么也不會(huì)發(fā)生</a>
</body>
</html>

void(0)? ???? ??? ? 0?? ????? Javascript?? ??? ?? ????.

?? ???? ???? ??? ???? ?? ???? ?????. 

<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<script type="text/javascript">
<!--
//-->
</script>
</head>
<body>
<p>點(diǎn)擊以下鏈接查看結(jié)果：</p>
<a href="javascript:void(alert('Warning!!!'))">點(diǎn)我!</a>
</body>
</html>

href="#"href="javascript:void(0)"

#? ????? ?? ??? ???? ????. ?? ??? ? ???? ??? #top???.

??? javascript:void(0)? ?? ??? ?????.

???? ?? ? ?? #? ???? ???? ?? ??? ????. ??? # + id???.

?? ??? ????? javascript:void(0)? ?????.


???? ??
||
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <script type="text/javascript"> function getValue(){ var a,b,c; a = void ( b = 5, c = 7 ); document.write('a = ' + a + ' b = ' + b +' c = ' + c ); } </script> </head> <body> <p>點(diǎn)擊以下按鈕查看結(jié)果：</p> <form> <input type="button" value="點(diǎn)我" onclick="getValue();" /> </form> </body> </html>