add delay to function javascript code example

Example 1: javascript HOW set delay

var delayInMilliseconds = 1000; //1 second

setTimeout(function() {
  //your code to be executed after 1 second
}, delayInMilliseconds);

Example 2: delay in javascript

setTimeout(function() {
 //your code here
}, 1000);

Example 3: javascript adding delay

//You have to wait for TypeScript 2.0 with async/await for ES5 support as it now supported only for TS to ES6 compilation.
//You would be able to create delay function with async:

function delay(ms: number) {
    return new Promise( resolve => setTimeout(resolve, ms) );
}

//And call it
await delay(300);