How to make a blinking text using jQuery ?

Given an HTML document and the task is to blink the certain text of an element using jQuery. There are few techniques to solve this problem which are discussed below:

Approach 1:

  • Select a particular element from the document.
  • Toggle its visibility property from hidden to visible and vice-versa after a particular period of time.

Example 1: This example implements the above approach.



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<!DOCTYPE HTML>  
<html>  
  
<head>  
    <title>  
        How to make a blinking text using jQuery ?
    </title>
      
    <script src=
    </script>
</head>  
  
<body align = "center">  
      
    <h1 style = "color:green;" >  
        GeeksForGeeks  
    </h1
      
    <p id = "GFG_UP" style
            "font-size: 15px; font-weight: bold;"
    </p>
      
    <button onclick = "GFG_Fun()">
        click here
    </button>
      
    <p id = "GFG_DOWN" style
        "font-size: 20px; font-weight: bold; color:green;"
    </p>
      
    <script>  
        var el_up = document.getElementById('GFG_UP');
        var el_down = document.getElementById('GFG_DOWN');
          
        el_up.innerHTML = "Click on the button to start "
                        + "the text blinking.";
        el_down.innerHTML = "Binking Text";
          
        function GFG_Fun() {
            $('#GFG_DOWN').each(function() {
                var elem = $(this);
                setInterval(function() {
                    if (elem.css('visibility') == 'hidden') {
                        elem.css('visibility', 'visible');
                    } else {
                        elem.css('visibility', 'hidden');
                    }    
                }, 100);
            });
        }
    </script>  
</body>  
  
</html>

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Output:

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

Approach 2:

  • Select a particular element from the document.
  • Animate its opacity property from 0 to 1 and vice-versa after a particular period of time.

Example 2: This example implements the above approach.

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<!DOCTYPE HTML>  
<html>  
  
<head>  
    <title>  
        How to make a blinking text using jQuery ?
    </title>
      
    <script src=
    </script>
</head>  
  
<body align = "center">  
      
    <h1 style = "color:green;" >  
        GeeksForGeeks  
    </h1
      
    <p id = "GFG_UP" style
            "font-size: 15px; font-weight: bold;"
    </p>
      
    <button onclick = "GFG_Fun()">
        click here
    </button>
      
    <p id = "GFG_DOWN" style
        "font-size: 20px; font-weight: bold; color:green;"
    </p>
      
    <script>  
        var el_up = document.getElementById('GFG_UP');
        var el_down = document.getElementById('GFG_DOWN');
        el_up.innerHTML = "Click on the button to start "
                        + "the text blinking.";
        el_down.innerHTML = "Binking Text";
          
        function blink(selector) {
            $(selector).animate({opacity:0}, 50, "linear", 
            function() {
                $(this).delay(100);
                $(this).animate({opacity:1}, 50, function(){
                    blink(this);
                });
                $(this).delay(100);
            });
        }
          
        function GFG_Fun() {
            blink('#GFG_DOWN');
        }
    </script>  
</body>  
  
</html>

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Output:

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


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