String in Javascript

--String is a primitive data type in javascript unlike other languages like java

let str="Hello world";
console.log(typeof(str));   //output : string

let str1=new String("hellooooo");
console.log(typeof(str1));  //output : object

--However when we use its methods it treat itself as an object on a temporary basis in some cases that means it is using --the concept boxing or wrapping(process of converting primitive datatype to reference dt temporarily)

--Once the operation is complete, the string goes back to being a primitive value

Example: 

let upper=str.toUpperCase(str);
console.log(upper); //output : HELLO WORLD
console.log(typeof(upper));  //output : string

Some Examples of String Methods:
//some other methods of string
console.log(str.toLowerCase());            //hello world
console.log(str.length);  //11
console.log(str.indexOf('Hello'));         //0
console.log(str.replace('Hello','Hey'));   //Hey world
//op: Hello world
console.log(str.trim());                   //trim whitespaces from both end of string 
console.log(str.trimStart());              //trim only left end of string
console.log(str.trimEnd());                //trim only right end of string
console.log(str.includes('o'));            //true
console.log(str.charAt(0));  //H
console.log(str.startsWith('Hell'));       //true
console.log(str.endsWith('orld'));         //true
Some Escape Character in Javascript: 
op
hello Alfiya,
 how are you
 */
console.log("hello Alfiya, \n how are you");  // \n represent new line
// op : hello "Alfiya" how are you
console.log("hello \"Alfiya\" how are you");  //   \" is used to add double quotation in javascript string 
console.log("hello Alfiya,\t how are you");    // \t represents tab   //op : hello Alfiya    how are you

Template Literal -- use to write the display the output of the text
 as written in the code   (written in ``backtick)
let demo=`
Hello Alfiya,
Thanks for writting this blog

`
console.log(demo)