Arrow Function and Template String

Fat arrow function also called as lambda function. Fat arrow function is shorthand for function, automatically capture this and arguments.

Example: Typescript

var data: string[] = ['Rahul', 'Ram', 'Jia'];
data.forEach( (line) => console.log(line) );

Example: JavaScript

var data = ['Rahul', 'Ram', 'Jia'];
data.forEach(function(line) { console.log(line); });

Template strings

Template strings are the strings that use back-ticks like (`). Template strings are mainly used for Multi Line String and String Interpolation.

Example: Typescript

var story= `Lorem ipsum sit amet, 
 quod veritus consectetuer ex.`;

Example: JavaScript

var story= 'Lorem ipsum sit amet, \
\n quod veritus consectetuer ex.';

Example: String Interpolation in Typescript

var story= 'Lorem ipsum sit amet';
var html = `<div>${story}</div>`;

Example: String Interpolation in JavaScript

var story = 'Lorem ipsum sit amet';
var html = '<div>' + story + '</div>';