//String sequence of character use to represent text

let userName="Maha";

let user2='Zainab';

console.log(user2.length);

//strings have in built propertise and functions

/**

* Propertise

* str.length

* behave like object

* string indices

* console.log(user2[0]);

* Template literals

*

*/

//Template Literals

let product={

item:"pen",

price:10

};

console.log("the cost of ", product.item , "is ", product.price, " rupees");

//product.price is converted to string

output=`the cost of ${product.item} is ${product.price} rupees`;

//called string interpolation

console.log(output);

// Escape character \n for next line \t for tab

// count as a single character

/**

* String methods/ functions

* builtin functions to manipulate the string

* str.toUpperCase()

* str.toLowerCase()

* str.trim()// remove white spaces

* do not change in original string. create a new string

*/

userName.toUpperCase();

console.log(userName.toUpperCase());

// String are immutable and we cannot change in orignal

//trim remove extra spaces from start and end

let str=" hello world ";

console.log(str.trim());

/**

* str.slice(start, end?)//return part of a string and end is not inclusive

* concatination str.concat(str2); //str1+str2

* str.replace(searchval, newVal);// only replace on time in the start

* str.replaceAll(searchVal, newVal);

* str.charAt(0);

*

*

* */

userName="Maha Zainab";

let updatedUserName= "@"+ userName.replace(" ", "") + userName.length;

console.log(updatedUserName);