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:
html
<!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:
html
<!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 1.0
- Edge 12.0
- Internet Explorer 8.0
- Firefox 4.0
- Opera 10.5
- Safari 3
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