string-methods.js

let string = "JavaScript";
console.log("Length of string is ", string.length);

//toLowerCase()
let lowerCaseString = string.toLowerCase();
console.log(lowerCaseString);

//toUpperCase()
let upperCaseString = string.toUpperCase();
console.log(upperCaseString);

//indexOf
let position = string.indexOf("S");
console.log(position);

//substring()
let substring = string.substring(4, 10);
console.log(substring);

//split()
let strArr = string.split("");
console.log(strArr);

//replace()
let replaceString = string.replace("Script", "8");
console.log(replaceString);

//trim()
let nameTwo = "  Java Script  ";
console.log(nameTwo);

//concat()
let string2 = "Framework";
console.log(string.concat(string2));

//to string
let mobileNo = 9876543210;
console.log(typeof mobileNo);
console.log(mobileNo.toString());
console.log(typeof mobileNo);