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HTML | DOM Input Text minLength Property

  • Last Updated : 21 Oct, 2020

The HTML DOM Input Text minLength property in HTML DOM is used to set or return the value of minlength attribute of a Text Input Field. It specifies the minimum number of characters that have been allowed in the text field. The default value of the Input Email minLength property is 524288.

Syntax:

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  • It returns the Input Text minLength property.
    textObject.minLength
  • It is used to set the Input text minLength property.
    textObject.minLength = number

Property Values: It contains a single value number which is used to specify the minimum number of characters that are allowed in the text maxlength Field.

Return Value: It returns a numeric value that represents the maximum number of character that has been allowed in the text maxlength field.



Example 1: This example returns Input Text minLength Property.




<!DOCTYPE html>
<html>
  
<head>
    <title>
        HTML DOM Input Text minLength Property
    </title>
</head>
  
<body style="text-align:center;">
  
    <h1>GeeksForGeeks</h1>
  
    <h2>DOM Input Text minLength Property</h2>
    <form id="myGeeks">
        <input type="text" id="text_id" minlength="6"
            name="geeks" pattern="[A-Za-z]{3}">
    </form>
    <br>
      
    <button onclick="myGeeks()">Click Here!</button>
  
    <p id="GFG" style="font-size:20px;"></p>
  
    <!-- Script to set the minLength Property-->
    <script>
        function myGeeks() {
            var txt = document.getElementById(
                    "text_id").minLength;
  
            document.getElementById(
                    "GFG").innerHTML = txt;
        
    </script>
</body>
  
</html>

Output:

  • Before clicking on the button:
  • After clicking on the button:

Example 2: This example illustrates how to set Input Text minLength Property.




<!DOCTYPE html>
<html>
  
<head>
    <title>
        HTML DOM Input Text minLength Property
    </title>
</head>
  
<body style="text-align:center;">
  
    <h1>GeeksForGeeks</h1>
  
    <h2>DOM Input Text minLength Property</h2>
    <form id="myGeeks">
        <input type="text" id="text_id" minlength="6"
            name="geeks" pattern="[A-Za-z]{3}">
    </form>
    <br>
  
    <button onclick="myGeeks()">Click Here!</button>
  
    <p id="GFG" style="font-size:20px;"></p>
  
    <!-- Script to set the minLength Property-->
    <script>
        function myGeeks() {
            var txt = document.getElementById(
                    "text_id").minLength - "23";
  
            document.getElementById(
                    "GFG").innerHTML = txt;
        
    </script>
</body>
  
</html>

Output:

  • Before clicking on the button:
  • After clicking on the button:

Supported Browsers: The browsers supported by DOM Input Text minLength property are listed below:

  • Google Chrome
  • Internet Explorer
  • Firefox
  • Apple Safari
  • Opera



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