<script>
function check(){
var vchange=true;
if(t1.value != document.all.t1.defaultVlue || t2.value == document.all.t2.defaultVlue || t3.value == document.all.t3.defaultVlue)
vchange=false
else
vchange=true;
s.disabled=nn;
}
<input name="t1" onpropertychange="check();">
<input name="t2" onpropertychange="check();">
<input name="t3" onpropertychange="check();">
<input type="submit" name="s" disabled>以上是可运行成功的版本......................<script>
function check(){
var vchange=true;
if(t1.value != document.aa.t1.defaultVlue || t2.value == document.aa.t2.defaultVlue || t3.value == document.aa.t3.defaultVlue)
vchange=false
else
vchange=true;
s.disabled=nn;
}
</script>
<form name="aa">
<input name="t1" onpropertychange="check();">
<input name="t2" onpropertychange="check();">
<input name="t3" onpropertychange="check();">
<input type="submit" name="s" disabled>
</form>当加了form之后就无法运行的~做此功能主要是为了当某条记录值被修改后便激活按钮disabled为false!
希望哪位高人指导一下~thx
function check(){
var vchange=true;
if(t1.value != document.all.t1.defaultVlue || t2.value == document.all.t2.defaultVlue || t3.value == document.all.t3.defaultVlue)
vchange=false
else
vchange=true;
s.disabled=nn;
}
<input name="t1" onpropertychange="check();">
<input name="t2" onpropertychange="check();">
<input name="t3" onpropertychange="check();">
<input type="submit" name="s" disabled>以上是可运行成功的版本......................<script>
function check(){
var vchange=true;
if(t1.value != document.aa.t1.defaultVlue || t2.value == document.aa.t2.defaultVlue || t3.value == document.aa.t3.defaultVlue)
vchange=false
else
vchange=true;
s.disabled=nn;
}
</script>
<form name="aa">
<input name="t1" onpropertychange="check();">
<input name="t2" onpropertychange="check();">
<input name="t3" onpropertychange="check();">
<input type="submit" name="s" disabled>
</form>当加了form之后就无法运行的~做此功能主要是为了当某条记录值被修改后便激活按钮disabled为false!
希望哪位高人指导一下~thx
<input id='t2' name="t2" onpropertychange="check();">
<input id='t3' name="t3" onpropertychange="check();"> document.getElementById("t1")就获得t1对象了嘛