HTML <input> maxlength Attribute
Example
An <input> element with a maximum length of 10 characters:
  
    <form 
    action="/action_page.php">
 
    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 | 
❮ HTML <input> tag

