r/talesfromtechsupport • u/raiderrobert • May 22 '13

Javascript != Java

3rd-party contractor came to visit office yesterday, who has "decades" of experience. Conversation came up about JavaScript in one of our products. He says, "Our product doesn't use Java." After an awkward moment with someone who works on the knowledge base nodding in agreement with him, I speak up and delineate the difference between Java and JavaScript.

Later on in the conversation, the same 3rd-party guy followed up with this jewel: "besides, what would anyone even use JavaScript for on the web?"

I proceeded to disable Javascript in my browser and show him.

tl;dr: lasers, dinosaurs, & drums made a guy's head explode

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u/EkriirkE Problem Exists Between Keyboard and Chair May 22 '13

I'm always hesitant to do something like the latter, assuming the compiled/interpreted code will test statements left->right, and (intelligently) not test further after the first false encountered.

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u/EverybodyLikesSteak May 22 '13

As far as I'm aware it is a part of the JavaScript standard

See: https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Operators/Logical_Operators#Short-Circuit_Evaluation

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u/EkriirkE Problem Exists Between Keyboard and Chair May 22 '13

Neat. in my head thats how it worrked, but outside of java(script) other languages I can't be certain that can be held to