Example
An <input> element with a maximum length of 10 characters:
<form
action="demo_form.asp">
Username: <input type="text" name="usrname" maxlength="10"><br>
<input type="submit" value="Submit">
</form>
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Definition and Usage
The maxlength attribute specifies the maximum number of characters allowed in the <input> element.
Browser Support
The numbers in the table specify the first browser version that fully supports the attribute.
| Attribute | |||||
|---|---|---|---|---|---|
| maxlength | 1.0 | 2.0 | 1.0 | 1.0 | 1.0 |
Differences Between HTML 4.01 and HTML5
NONE.
Syntax
<input maxlength="number">
Attribute Values
| Value | Description |
|---|---|
| number | The maximum number of characters allowed in the <input> element. Default value is 524288 |