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HTML | DOM console.log() Method
  • Difficulty Level : Basic
  • Last Updated : 23 Jul, 2019

The console.log() method in HTML is used for writing a message in the console. It indicates an important message during testing of any program. The message is sent as a parameter to the console.log() method.

Syntax:

console.log( message )

Parameters: This method accepts single parameter message which is mandatory and used to specify the information to be written on the console.

Below programs illustrate the console.log() method in HTML:
Example 1:




<!DOCTYPE html>
<html>
  
<head>
    <title>DOM console.log() Method</title>
    <style>
        h1 {
            color: green;
        }
          
        h2 {
            font-family: Impact;
        }
          
        body {
            text-align: center;
        }
    </style>
</head>
  
<body>
    <h1>GeeksforGeeks</h1>
    <h2>DOM console.log() Method</h2>
    <p>
        To view the message in the console 
        press the F12 key on your keyboard.
    </p>
    <p>
        To view the message, double click
        the button below:
    </p>
    <br>
    <button ondblclick="log_console()">
        View Message
    </button>
    <script>
        function log_console() {
            console.log
                ("GeeksforGeeks is a portal for geeks.");
        }
    </script>
</body>
  
</html>


Output:

Console View:



Example 2: Displaying an object while using console.log() method




<!DOCTYPE html>
<html>
  
<head>
    <title>DOM console.log() Method</title>
    <style>
        h1 {
            color: green;
        }
          
        h2 {
            font-family: Impact;
        }
          
        body {
            text-align: center;
        }
    </style>
</head>
  
<body>
    <h1>GeeksforGeeks</h1>
    <h2>DOM console.log( ) Method</h2>
    <p>
        To view the message in the console
        press the F12 key on your keyboard.
    </p>
    <p>
        To view the message, double click
        the button below:
    </p>
    <br>
    <button ondblclick="log_console()">
        View Message
    </button>
    <script>
        function log_console() {
            var MyElement = {
                Product: "Coca Cola",
                Type: "Beverage"
            };
            console.log(MyElement);
        }
    </script>
</body>
  
</html>


Output:

Console View:

Supported Browsers: The browser supported by console.log() method are listed below:

  • Google Chrome
  • Internet Explorer 8.0
  • Firefox 4.0
  • Opera
  • Safari

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