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How do I print a message to the error console using JavaScript?
To print a message to the error console, use the console object. Here’s an example −
The following will show a red error message −
console.error(message);
The following gives you the default message −
console.log(message);
The following gives you the warning message −
console.warn(message);
The following gives an information message −
console.info(message);
Add CSS to the log message −
console.log('%c Add message!, "background: green; color: white;");Use the following to print error. Consider “num” as the variable name −
console.error('num=%d', num);For complete API reference, refer Console API Reference.
Updated on: 16-Jun-2020
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