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https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/const
The const declaration creates a read-only reference to a value. It does not mean the value it holds is immutable, just that the variable identifier cannot be reassigned. For instance, in the case where the content is an object, this means the object's contents (e.g., its properties) can be altered.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/let
Just like const the let does not create properties of the window object when declared globally (in the top-most scope). An explanation of why the name "let" was chosen can be found here. Scoping rules. Variables declared by let have their scope in the
https://stackoverflow.com/questions/21237105/const-in-javascript-when-to-use-it-and-is-it-necessary
Const in JavaScript: when to use it and is it necessary? Ask Question Asked 5 ... I assumed that Mozilla / Google wouldn't have added const support to JS engines for no reason. ... but is included in Internet Explorer 11. The const keyword currently declares the constant in the function scope (like variables declared with var). It then goes on ...
https://stackoverflow.com/questions/37036791/so-im-using-javascript-const-keyword-what-happens-in-ie
I understand that the const keyword has been already implemented across the board in browsers except for IE10 versions, but is it viable? ... So i'm using Javascript const keyword, what happens in IE? Ask Question Asked 3 years, 4 months ago. ... but rather many Mobile browsers do not support it either. should i just scrap it and use var?
https://github.com/Microsoft/TypeScript/issues/19
Jul 15, 2014 · Suggestion: Support ES6 'let' and 'const' keyword #19. Closed RyanCavanaugh opened this issue Jul 15, 2014 · 21 comments Closed Suggestion: Support ES6 'let' and 'const' keyword #19. RyanCavanaugh opened this issue Jul 15, 2014 · 21 comments Labels. Committed ES6 Fixed Suggestion. ... written largely in javascript, that uses const and let all ...
https://www.lynda.com/JavaScript-tutorials/Const-keyword/424003/459175-4.html
- Much like the let keyword, we can use const…as an alternative when declaring variables.…The const keyword is short for constant…and allows us to set constant variables…that shouldn't be reassigned.…On line six here, I'm going to create a constant variable…called birthYear and I'm going to set this equal to a year.…Beneath this ...
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Classes
JavaScript classes, introduced in ECMAScript 2015, are primarily syntactical sugar over JavaScript's existing prototype-based inheritance. The class syntax does not introduce a new object-oriented inheritance model to JavaScript.
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