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HTML | DOM Input Password pattern Property

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The Input password pattern Property in HTML DOM is used to set or return the value of pattern attribute of a Password Field. This attribute is used to specify the regular expression on which the input elements value is checked against. Use the Global title attribute to describe the pattern for helping the user. 

Syntax: 

  • It returns the Input password pattern Property.
passwordObject.pattern
  • It is used to set the Input password pattern Property.
passwordObject.pattern = regexp

Property Values: It accepts single value regexp which is used to specify the regular expression that a password field value is checked against. 

Return Value: It returns a string value which represents the regular expression that a password field value is checked against.

Example: This example describes the use of Input password pattern Property. 

HTML

<!DOCTYPE html>
<html>
<head>
    <title>
        HTML DOM Input Password pattern Property
    </title>
</head>
<body style="text-align:center;">
    <h1 style="color:green;">
        GeeksForGeeks
    </h1>
    <h2>DOM Input Password pattern Property</h2>
    <form id="myGeeks">
        Password: <input type="password" id="myPsw" name="Geeks"
            pattern="[a-z0-9._%+-]+@[a-z0-9.-]+\.[a-z]{2, 3}$" >
    </form>
    <br><br>
    <button onclick="myFunction()">
        Click Here!
    </button>
    <p id="demo" style="color:green;font-size:25px;"></p>
     
    <!-- Script to use Input Password pattern Property -->
    <script>
        function myFunction() {
            var x =
            document.getElementById(
            "myPsw").pattern;
             
            document.getElementById(
            "demo").innerHTML = x;
        }
    </script>
</body>
</html>

                    

Output: 

Before Clicking the Button:

  

After Clicking the Button:

  

Supported Browsers: The browser supported by DOM input Password pattern Property are listed below:

  • Google Chrome 1
  • Edge 12
  • Firefox 1
  • Opera 2
  • Safari 1


Last Updated : 25 Aug, 2022
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