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JavaScript - Set Focus on Particular Field in a Form using JavaScript Function
In this example, we will learn how to set focus in any textbox (field) in a form using JavaScript Function.
Set Focus in any Field of a Form using JavaScript Function
JavaScript function:
<script type="text/javascript">
function setFocus(indexForm, indexField) {
document.forms[indexForm].elements[indexField].focus();
}
</script>
JavaScript and HTML Code to Set Focus on Particular Field in a Form
<!--JavaScript - Set Focus on Particular Field in a Form using JavaScript Function.-->
<html>
<head>
<title>JavaScript - Set Focus on Particular Field in a Form using JavaScript Function.</title>
<script type="text/javascript">
function setFocus(indexForm, indexField) {
document.forms[indexForm].elements[indexField].focus();
}
</script>
</head>
<body onload="setFocus(0,0)">
<h1>JavaScript - Set Focus on Particular Field in a Form using JavaScript Function.</h1>
<form>
<b>Name:</b><br />
<input type="text" width="100px" /><br />
<b>Address:</b><br />
<input type="text" width="200px" /><br />
<b>Mobile:</b><br />
<input type="text" width="50px" /><br />
<input type="button" value="Submit." />
</form>
</body>
</html>
Result:
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