Skip to content
Related Articles

Related Articles

Improve Article
Save Article
Like Article

JavaScript | Pass string parameter in onClick function

  • Last Updated : 21 Jun, 2019

The task is to pass a string as a parameter on onClick function using javascript, we’re going to discuss few techniques.

Example 1: This example simply put the argument which is string in the onClick attribute of the button which calls a function with a string as an argument using onClick() method.

Hey geek! The constant emerging technologies in the world of web development always keeps the excitement for this subject through the roof. But before you tackle the big projects, we suggest you start by learning the basics. Kickstart your web development journey by learning JS concepts with our JavaScript Course. Now at it's lowest price ever!




<!DOCTYPE HTML>
<html>
  
<head>
    <title>
        JavaScript 
      | Pass string parameter in onClick function.
    </title>
</head>
  
<body style="text-align:center;" 
      id="body">
    <h1 style="color:green;">  
            GeeksForGeeks  
        </h1>
    <p id="GFG_UP" 
       style="font-size: 19px; 
              font-weight: bold;">
    </p>
    <button onclick="GFG_Fun('Parameter'); ">
        click here
    </button>
    <p id="GFG_DOWN"
       style="color: green; 
              font-size: 24px;
              font-weight: bold;">
    </p>
    <script>
        var up = 
            document.getElementById('GFG_UP');
        var down = 
            document.getElementById('GFG_DOWN');
        up.innerHTML = 
          'Click on button to pass the '+
          'string parameter to the function';
  
        function GFG_Fun(parameter) {
            down.innerHTML = "String '" 
            + parameter + "' Received";
        }
    </script>
</body>
  
</html>

Output:

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

Example 2: This example simply put the argument which is a string in the onClick attribute of the button which calls a function with string as an argument using onClick() method. Here the input button is created dynamically. This example uses the same approach as the previous one.




<!DOCTYPE HTML>
<html>
  
<head>
    <title>
        JavaScript 
      | Pass string parameter in onClick function.
    </title>
</head>
  
<body style="text-align:center;" 
      id="body">
    <h1 style="color:green;">  
            GeeksForGeeks  
        </h1>
    <p id="GFG_UP"
       style="font-size: 19px; 
              font-weight: bold;">
    </p>
    <p id="GFG_DOWN"
       style="color: green; 
              font-size: 24px;
              font-weight: bold;">
    </p>
    <script>
        var up = document.getElementById('GFG_UP');
        var down = document.getElementById('GFG_DOWN');
        var inputEl = document.createElement('input');
        inputEl.type = 'button';
        inputEl.value = "Click here";
        inputEl.addEventListener('click', function() {
            GFG_Fun('Parameter');
        });
        document.body.insertBefore(inputEl, down);
        up.innerHTML = 
          'Click on button to pass the '+
          'string parameter to the function';
  
        function GFG_Fun(parameter) {
            down.innerHTML = "String '" +
              parameter + "' Received";
        }
    </script>
</body>
  
</html>

Output:

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



My Personal Notes arrow_drop_up
Recommended Articles
Page :