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HTML | DOM Input Search maxLength Property

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  • Difficulty Level : Basic
  • Last Updated : 18 Jul, 2022

The DOM Input Search maxLength Property in HTML DOM is used to set or return the value of maxlength attribute of a search Input Field. It specifies the maximum number of characters that have been allowed in the search field. The default value of Input search maxLength property is 524288

Syntax: 

  • It returns the Input search maxLength property.
searchObject.maxLength
  • It is used to set the Input search maxLength property.
searchObject.maxLength = number

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

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

Example-1: This example illustrates how to return the Input search maxLength property. 

html




<!DOCTYPE html>
<html>
 
<head>
    <title>
      Input Search maxLength Property
  </title>
    <style>
        h1 {
            color: green;
        }
         
        h2 {
            font-family: Impact;
        }
         
        body {
            text-align: center;
        }
    </style>
</head>
 
<body>
 
    <h1>GeeksforGeeks</h1>
    <h2>Input Search maxLength Property</h2>
    <form id="myGeeks">
        <input type="Search"
               id="test"
               name="myGeeks"
               placeholder="Type to search.."
               maxlength="45">
    </form>
    <br>
    <br>
    <button ondblclick="Access()">
      click here
    </button>
 
    <p id="check"
       style="font-size:24px;
              color:green;">
  </p>
 
    <script>
        function Access() {
 
            // return Input search maxLength Property
            var s = document.getElementById(
                "test").maxLength;
           
            document.getElementById(
                "check").innerHTML = s;
        }
    </script>
 
</body>
 
</html>

Output: 

Before Clicking On Button:

  

After Clicking On Button:

  

Example-2: This Example illustrates how to set the Input search maxlength Property. 

html




<!DOCTYPE html>
<html>
 
<head>
    <title>
      Input Search maxLength Property
  </title>
    <style>
        h1 {
            color: green;
        }
         
        h2 {
            font-family: Impact;
        }
         
        body {
            text-align: center;
        }
    </style>
</head>
 
<body>
 
    <h1>GeeksforGeeks</h1>
    <h2>Input Search maxLength Property</h2>
    <form id="myGeeks">
        <input type="Search"
               id="test"
               name="myGeeks"
               placeholder="Type to search.."
               maxlength="45">
    </form>
    <br>
    <br>
    <button ondblclick="Access()">
      click here
    </button>
 
    <p id="check"
       style="font-size:24px;
              color:green;">
  </p>
 
    <script>
        function Access() {
 
            // Setting the Input maxLength Property
            var s = document.getElementById(
                "test").maxLength = "60";
           
            document.getElementById(
                "check").innerHTML =
       "The value of the maxLength attribute was changed to "
            + s;
        }
    </script>
 
</body>
 
</html>

Output: 

Before Clicking On Button:

  

After Clicking On Button:

  

Supported Browsers: The browser supported by DOM input search maxLength Property are listed below:

  • Google Chrome
  • Internet Explorer 10.0 +
  • Firefox
  • Opera
  • Safari

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