tryit_view.asp@filename=tryjs_autonext
来自「W3Schools tutorial..web designing」· ASP@FILENAME=TRYJS_AUTONEXT 代码 · 共 29 行
ASP@FILENAME=TRYJS_AUTONEXT
29 行
<html>
<head>
<script type="text/javascript">
function checkLen(x,y)
{
if (y.length==x.maxLength)
{
var next=x.tabIndex;
if (next<document.getElementById("myForm").length)
{
document.getElementById("myForm").elements[next].focus();
}
}
}
</script>
</head>
<body>
<p>This script automatically jumps to the next field when a field's maxlength has been reached:</p>
<form id="myForm">
<input size="3" tabindex="1" maxlength="3" onkeyup="checkLen(this,this.value)">
<input size="2" tabindex="2" maxlength="2" onkeyup="checkLen(this,this.value)">
<input size="3" tabindex="3" maxlength="3" onkeyup="checkLen(this,this.value)">
</form>
</body>
</html>
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