JavaScript string

let hello = "hello";

console.log(hello);
//Result:
//hello

console.log(hello.length);

//Result:
//5

/** 
 * Let's split string into array to check index
 * */
console.log(hello.split(""));
//Result:
/**
 * 0: "h"
 * 1: "e"
 * 2: "l"
 * 3: "l"
 * 4: "o"
 * */
 
 /** 
  * Examples of using double quotes, single quotes and backticks
  * */
  
let firstString = "String 1";
let secondString = 'String 2';
let thirdString = `String 3`;

let withQuotesInside = "String of a 'string'";
let withSQuotesInside = 'String of a "string"';
let withBackticks = `String of a 'string' of a "string"`;

/**
 * Concatenation example
 * */
 
 console.log(firstString + ' ' + secondString);
 //Result: 
 //String 1 String 2
 
 console.log(firstString + ' ' + thirdString);
 //Result: 
 //String 1 String 3
 
 console.log(`${firstString} ${secondString} and finally the ${thirdString}`);
 //Result: 
 //String 1 String 2 and finally the String 3