Feb 27, 2017 · You're sure right about String.prototype.alert being inherited by all String objects. I prefer to use isolated scopes for every piece of block to allow for separation, such that in the …

2- Suppose we want to have a function called view. Add these lines to index.d.ts: /** * Use express res.render function to render view file inside layout file. * * @param {string} view The …

The closure keeps the scope of bar() contained, returning the new function from the self-executing anonymous function sets more visible scope to foo(). The anonymous self-executing function …

Apr 11, 2017 · The compiler will use this statement to statically check other code but will not trans-compile it into any JavaScript in the output. declare const fooSdk = { doSomething: => …

Nov 6, 2015 · JavaScript is really creating a property to which it assigns the function object that once called will execute the code reported in the function definition. The property is attached to …

May 24, 2017 · Maybe these other classes have a function called func1 that you needed to use. But wait, you want to use the name func1 in your main class as well without mentioning the …

Dec 3, 2008 · They are pretty similar with some small differences, first one is a variable which assigned to an anonymous function (Function Declaration) and second one is the normal way …

Oct 9, 2012 · The special "array" arguments is available inside the function; it contains all the arguments, starting from index 0 to N - 1 (where N is the number of arguments passed). This …

Global variables are declared outside of a function for accessibility throughout the program, while local variables are stored within a function using var for use only within that function’s scope. If …

2. Fat arrow syntax is not shorter unless your function can be an expression. function f(x, y) {is 18 characters, const f = (x, y) => {is 21 characters, so 3 character longer. 3. Keeping this binding …