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Super Simple Assert JavaScript Testing

/ Published in: JavaScript
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  1. <!DOCTYPE HTML>
  2. <html lang="en-US">
  3. <head>
  4. 	<meta charset="UTF-8">
  5. 	<title> Assert </title>
  6. 	<style>		
  7. 		.pass:before {
  8. 			content: 'PASS: ';
  9. 			color: blue;
  10. 			font-weight: bold;
  11. 		}
  12.  
  13. 		.fail:before {
  14. 			content: 'FAIL: ';
  15. 			color: red;
  16. 			font-weight: bold;
  17. 		}
  18. 	</style>
  19. </head>
  20. <body>
  21.  
  22. 	<ul id="output"></ul>
  23.  
  24. <script>
  25.  
  26. 	var output = document.getElementById('output');
  27.  
  28. 	// Via Resig
  29. 	function assert( outcome, explanation ) {
  30. 		var li = document.createElement('li');
  31. 		li.className = outcome ? 'pass' : 'fail';
  32. 		li.appendChild( document.createTextNode( explanation ) );
  33. 		output.appendChild(li);
  34. 	}
  35.  
  36. 	assert( Array.prototype.each, 'Checking if the each method of the Array object is available, as an example.' );
  37. </script>

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