Posts Tagged indexOf

String.charCodeAt Is Really Fast

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String.charCodeAt is a simple function so you might expect the function call overhead (huge in AS3) to making calling it frequently quite slow. You’d think that there’s no way an charCodeAt-using AS3 function could beat a built-in String function like indexOf. Would you be right? Today’s article examines this special function to see if we might defy conventional wisdom and achieve a performance boost.

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Three Interesting Discoveries

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Today’s article is about three totally unrelated discoveries I’ve recently made in AS3. These answer three questions I’ve recently had. Should you cache the object you’re looping over with a for-each loop as a local variable? Can you clear a Dictionary or Object with a for-in loop? Is it faster to write your own version of Vector.indexOf? All of these questions are answered in today’s article!

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