(setInterval is bad practice), As I said in the article introduction, I’m sharing tips that are related to the language, this method will not work for example in server side SSJS, It’s related to the browsers and not yet implemented by all browsers, http://caniuse.com/#feat=requestanimationframe. please see test http://jsperf.com/if-vs-switch-statement Only use map() if you don’t care about performance. Good Tips & Tricks. Your tipps are very suggestive, without explaining the cases where they apply. #20 – Don’t use delete to remove an item from array See “JavaScript Training Sucks”: https://medium.com/javascript-scene/javascript-training-sucks-284b53666245, I notice you got a lot of other suggestions. It won’t slow you down or cause a blip with memory. Hopefully I can work out the rest for myself if I need to. . If you really need other devs to be unable to read you, or to read you correctly, use an obfuscator ! In any case, I was only able to find one situation in which the parameter insight didn’t work correctly, and that was when I called a constructor inside a function, though I’m not sure if it works for all variations between the two.foo(Type(1,2,3));The parameter insight always shows the outermost set of parameters, ie the ones from foo(). Bugfixes/Improvements: Use VanillaJS. – #22 `Function doSomething(arg1){ ` -> `function doSomething(arg1){ `, `Arg1 = arg1 || 10;` -> `arg1 = arg1 || 10;` For defaults / overrides pattern, it’s safer to use named paramaters and _.extend({}, defaults, options) or $.extend({}, defaults, options), instead. “hello world” 26 – Check the properties of an object when using a for-in loop. really helpful.Another helpful article that might interest viewers http://ow.ly/XCZq309vD4F. Thanks Konrad for this good review, As I said the list is open to the readers suggestions and improvments, I’ll check this list and others, after that update the article ;). const max = 100; A in Ajax stands for “asynchronous”. Make your website wonderful with free Script codes.
a : b; ` JavaScript Examples This page contains JavaScript examples - examples of JavaScript tricks that you can use for your own website. https://medium.com/javascript-scene/the-two-pillars-of-javascript-ee6f3281e7f3. but with some typo witch will easily mislead new fish … like the sugguestion for remove a item from a array with slice or delete . #19 If the array contain references to DOM nodes or titanium proxy objects you’ll get a memory leak in older IE and Appcelerator. The author needs to go read his books. if reads easier. This function will actually return undefined because a semicolon will get inserted after return. You can use toFixed() and toPrecision() to resolve this problem.
23 – map() should never be an automatic choice for looping over an array. The one which you say to avoid executes the catch every loop interval, the second breakes the loop when the error occours. Once an exception has been logged however, you should either fix the code (obviously) or code to anticipate what is now a known error and handle it instead of throwing an exception.
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