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<!DOCTYPE html>
<html>
<body>
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<h1>JavaScript console.assert() Method</h1>
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<p>Press F12 on your keyboard to see the message in the console view.</p>
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<p>This example demonstrates how an object is displayed when using the console.assert method.</p>
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<script>
var myObj = { firsname : "John", lastname : "Doe" };
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console.assert(document.getElementById("demo"), myObj);
</script>
​
</body>
​
<!-- Mirrored from www.w3schools.com/jsref/tryit.asp?filename=tryjsref_console_assert2 by HTTrack Website Copier/3.x [XR&CO'2014], Wed, 05 Jun 2019 14:03:13 GMT -->
</html>
​
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