🏆 ยอดนิยม: web//https://www.geeksforgeeks.org/html dom console warn method

The console.warn() method is used to write a warning message in the console. So open the console to display the output (warning message).

Syntax:

console.warn( message )

Parameters: This method accepts single parameter message which is mandatory. This parameter is used to hold the warning message.

Example 1:

<!DOCTYPE html> 
<html> 
  
<head> 
    <title>console.warn() Method</title> 
    <style> 
        h1 { 
            color: green; 
        } 
          
        body { 
            text-align: center; 
        } 
    </style> 
</head> 
  
<body> 
    <h1>GeeksforGeeks</h1> 
    <h2>HTML console.warn() Method</h2> 
    <p>Press F12 to view the message</p> 
    <script> 
        console.warn 
            ("This is a warning message for geeksforgeeks!"); 
    </script> 
</body> 
  
</html> 

Output:

Example 2:

<!DOCTYPE html> 
<html> 
  
<head> 
    <title>console.warn() Method</title> 
    <style> 
        h1 { 
            color: green; 
        } 
          
        body { 
            text-align: center; 
        } 
    </style> 
</head> 
  
<body> 
    <h1>GeeksforGeeks</h1> 
    <h2>HTML console.warn() Method</h2> 
    <p>Press F12 to view the message</p> 
    <script> 
        var Arr = ["Algorithm", "GeeksforGeeks", "Geeks"]; 
        console.warn(Arr); 
    </script> 
</body> 
  
</html> 

Output:

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

Chrome
Internet Explorer 8.0
Firefox 4.0
Opera
Safari

My Personal Notes

Nov	DEC	Jan
	04
2019	2020	2021

HTML | DOM console.warn() Method

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