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HTML | DOM Input Number placeholder Property

  • Difficulty Level : Basic
  • Last Updated : 11 Mar, 2019

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.






<!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() { 
                  
                // Accessing input value 
                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.




<!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() { 
                  
                // Accessing input value 
                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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