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jQuery Examples
How to disable HTML input fields in jQuery ?
Enable / Disable HTML input fields in jQuery
Enable input fields
removeAttr function is used to enable the HTML input fields.
removeAttr("disabled")
Disable input fields
attr function is used to disable the HTML input fields.
attr("disabled", "disabled")
Also attr function can be used to get the HTML input field status whether disabled or not.
attr("disabled")
Example jQuery code to disable HTML input fields
<html>
<head>
<title>The jQuery Example - To disable text field</title>
<script src="https://ajax.googleapis.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script>
<script type = "text/javascript">
function toggle_active_state() {
if($("#txtDesc").attr("disabled") == "disabled") {
$("#txtDesc").removeAttr("disabled");
} else {
$("#txtDesc").attr("disabled", "disabled");
}
}
</script>
</head>
<body>
<input type="text" id="txtDesc" value="testing"/>
<input type="button" value="Get Count" onclick="toggle_active_state();"/>
</body>
</html>
Output:
Displays as below when enable the input text field.
Displays as below when disable the input text field.
event.keyCode- returns the pressed key code in the textbox.
here input a letter 'A' is pressed in the text field and returns a 'Key code is 65'.
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