复选框控制按钮可用不可用
<script type="text/javascript">
function changeButton(){
if($("#contract").is(":checked")==true){
$("#btsubmit").removeAttr("disabled");
}else{
$("#btsubmit").attr({"disabled":"disabled"});
}
}
</script>
<body>
<form action="contract" method="post">
<textarea rows="8" cols="10">contract content</textarea><br>
<input type="checkbox" name="contract" id="contract" onchange="changeButton()"><br>
<input type="submit" name="submit" id="btsubmit" disabled>
</form>
</body>
时间： 2024-10-22 21:39:30