Nowadays, all modern browsers support most of the features of HTML5. The functionality of the features is the same in all browsers but there are some differences; one of which is the default error message that the browser, displays.
Some of the default error messages displayed by various browsers are shown in the following screenshot:
However, we can change the default error message of the browser with the help of setCustomvalidity. Let us understand this with an example.
The following code changes the default error message of a browser to a custom message:
<script>
function check()
{
varhtmlObject=document.getElementById("input");
if (!htmlObject.checkValidity()) {
htmlObject.setCustomValidity('This field is mandatory');
}
}
</script>
<body>
<form id="myForm">
<input id="input" type="text" required />
<input type="submit" onclick="check(this)">
</form>
</body>The preceding code will give the following output:
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