<
input type
=
"
text
"
name
=
""
value
=
"
我是一个兵
"
id
=
"
test
"
/
>
< script type = " text/javascript " >
var test = document.getElementById( " test " );
test.onfocus = function (){ if ( this .value == this .defaultValue) this .value = "" ;}
test.onblur = function (){ this .value = this .value == 0 ? this .defaultValue : this .value;}
< / script>
< script type = " text/javascript " >
var test = document.getElementById( " test " );
test.onfocus = function (){ if ( this .value == this .defaultValue) this .value = "" ;}
test.onblur = function (){ this .value = this .value == 0 ? this .defaultValue : this .value;}
< / script>
本文转自豪情博客园博客，原文链接：http://www.cnblogs.com/jikey/archive/2010/03/04/1678047.html，如需转载请自行联系原作者
