javascript closure not working
ES5.1 solution: forEach. Note that this link between the new execution context and the lexical environment of the function object is called a closure. JavaScript (/ ˈ dʒ ɑː v ə ˌ s k r ɪ p t /), often abbreviated as JS, is a programming language that conforms to the ECMAScript specification. counter.set(value) should set the counter to value. The only JavaScript compiler/minifier that has support, at the moment, for source map generation is the Closure compiler. See the sandbox code for the complete usage example. javascript does not need the "addition" of 'const' and 'let' which are against it's spirit. (I'll explain how to use it later.) Modern JavaScript Tutorial: simple, but detailed explanations with examples and tasks, including: closures, document and events, object oriented programming and more. With the relatively widespread availability of the Array.prototype.forEach function (in 2015), it's worth noting that in those situations involving iteration primarily over an array of values, .forEach() provides a clean, natural way to get a distinct closure for every iteration. Modify the code of makeCounter() so that the counter can also decrease and set the number:. counter() should return the next number (as before). counter.decrease() should decrease the counter by 1. Build 6 beautiful real-world projects for your portfolio (not boring toy apps) Become job-ready by understanding how JavaScript really works behind the scenes How to think and work like a developer: problem-solving, researching, workflows P.S. You can use either a closure or the function property to keep the current count. That is, assuming you've got some sort of array containing values (DOM references, … Once you've combined and minified your JavaScript, alongside it will exist a sourcemap file.
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