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<!DOCTYPE html>
<html>
<body>
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<h1>JavaScript console.warn() Method</h1>
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<p>Press F12 on your keyboard to view the message in the console view.</p>
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<p>This example demonstrates the console.warn() method, and how to use an Object as the warning message.</p>
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<script>
var myObj = { firsname : "John", lastname : "Doe" };
console.warn(myObj);
</script>
​
</body>
​
<!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_console_warn2 by HTTrack Website Copier/3.x [XR&CO'2014], Mon, 27 Jan 2020 03:01:39 GMT -->
</html>
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