Jan 20, 2014 · It then goes on to say: const is going to be defined by ECMAScript 6, but with different semantics. Similar to variables declared with the let statement, constants declared …

Dec 11, 2016 · Why most of the time should I use const instead of let in JavaScript? As we know if we use const then we can't reassign value later. Then why not use let instead of const?

Sep 25, 2008 · Is there a way to use constants in JavaScript? If not, what's the common practice for specifying variables that are used as constants?

Jun 17, 2017 · The const keyword makes a variable itself immutable, not its assigned content. When the content is an object, this means the object itself can still be altered. Therefore, it's …

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?

Dec 9, 2016 · const { email,title } = obj; This is ES6 syntax-the simpler one It will automatically assign the email and title from obj; just the name has to be correctly stated for the required field.

Sep 5, 2012 · const defines a constant (in supporting browsers). Why would you expect to be able to change it? JavaScript will not throw an exception if you try to change the value of a const, …

Apr 18, 2009 · ES6 introduced JavaScript developers the let and const keywords. While let and const are block-scoped and not function scoped as var it shouldn’t make a difference while …

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 …

What JS Bin calls ‘JavaScript’ just means whatever ECMAScript features your browser currently supports — it doesn’t mean ‘ES5’ or ‘ES6’ or anything else. Many browsers supported const …