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HTML | DOM Input Number placeholder Property

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  • Difficulty Level : Basic
  • Last Updated : 31 Jul, 2022

The DOM Input Number placeholder Property in HTML DOM is used to set or return the value of the placeholder attribute of a number field. The placeholder attribute specifies the short hint that describes the expected value of an input field. The short hint is displayed in the field before the user enters a value. 

Syntax: 

  • It returns the Input number Placeholder property.
numberObject.placeholder
  • It is used to set Input number Placeholder property.
numberObject.placeholder = text

Property Value: It contains single value text which is used to define a short hint that describes an expected value of the number Field. 

Return Value: It returns a string value which represented a short hint that describes the expected value of the number Field. 

Example 1: This example illustrates how to return Input number Placeholder property. 

html




<!DOCTYPE html>
<html>
 
    <body style="text-align:center;">
 
        <h1 style="color:green;">
            GeeksForGeeks
        </h1>
 
        <h2>DOM Input Number placeholder Property</h2>
 
        <input type="number"
            id="myNumber" step="5"
            placeholder="multiples of 5" > <br><br>
        <button onclick="myFunction()">
            Click Here!
        </button>
 
        <p id="demo" style="font-size:23px;color:green;"></p>
 
        <script>
            function myFunction() {
                 
                //  return the Input number placeholder Property
                var x =
                document.getElementById("myNumber").placeholder;
                document.getElementById("demo").innerHTML =  x;
            }
        </script>
 
    </body>
 
</html>

Output: 

Before Clicking On Button:

  

After Clicking On Button: 

 

Example-2: This Example illustrates how to set the Input number placeholder Property. 

html




<!DOCTYPE html>
<html>
 
    <body style="text-align:center;">
 
        <h1 style="color:green;">
            GeeksForGeeks
        </h1>
 
        <h2>DOM Input Number placeholder Property</h2>
 
        <input type="number"
            id="myNumber" step="5"
            placeholder="multiples of 5" > <br><br>
        <button onclick="myFunction()">
            Click Here!
        </button>
 
        <p id="demo" style="font-size:23px;color:green;"></p>
 
        <script>
            function myFunction() {
                 
                //  set the Input number placeholder Property
                var x =
                document.getElementById("myNumber").placeholder = "10";
                document.getElementById("demo").innerHTML = 
               "The value of the placeholder attribute was changed to " + x;
            }
        </script>
 
    </body>
 
</html>

Output: 

Before Clicking On Button:

  

After Clicking On Button:

  

Supported Browsers: The browser supported by DOM input number placeholderProperty are listed below:

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

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