Jul 14, 2009 · In essence, by putting them all to false, you are creating constants on the object. Btw, their defaults is to be at false. So effectively doing this: Object.defineProperty(obj, …

Are there any limits to what types of values can be set using const in JavaScript, and in particular, functions? Is this valid? Granted it does work, but is it considered bad practice for any reason?

Apr 17, 2020 · Its value can not be changed, that's a bit misleading. const in JavaScript means that thich value is assigned to the variable cannot be changed, but it does not mean you …

Jun 17, 2017 · @ChristofferBubach it's a constructor in javascript. "new" keyword is used to create an instance of an object. Basically, it creates a new object and assigns a const variable …

Aug 4, 2016 · Your problem, as you know, is that a const has to be intialised in the same expression that it was declared in. This doesn't mean that the value you assign to your …

Jun 1, 2012 · How come constants cannot be set as properties of objects which are variables themselves? const a = 'constant' // all is well // set constant property of variable object const …

May 12, 2017 · With considering all the above answers, you can also export your constant as well as a module in ES6: module.exports = yourConstant; and call it from your file: import …

Sep 10, 2015 · I'm looking for a list of http status codes in Javascript. Are they defined in any implementation? I've had a look at XMLHttpRequest, but only found readyState constants. var …

Nov 13, 2010 · Javascript doesn't really have the notion of a named constant, or an immutable property of an object. (Note that I'm not talking about ES5 here.) You can declare globals with …

Jul 27, 2017 · Creates a constant 1 that can be global or local to the function in which it is declared. Constants follow the same scope rules as variables [.. and cannot share a name] …