var stringOne = "freeCodeCamp is the best place to learn";
var StringTwo = "frontend and backend development";

//charAt()
console.log(stringOne.charAt(1)); // "r"

//charCodeAt()
console.log(stringOne.charCodeAt(1)); // 114

//concat()
    //it returns a new joined string
console.log(stringOne.concat(stringTwo));
    //"freeCodeCamp is the best place to learnfrontend and backend development"
 


//endsWith()
console.log(stringOne.endsWith("learn")); // true

//fromCharCode()
console.log(String.fromCharCode(114)); // "r"

//includes()
console.log(stringTwo.includes("end")); // true

//indexOf()
//it returns the position of the first found occurrence of a specified value in a string
console.log(stringTwo.indexOf("end"
 
)); // 5

//lastIndexOf()
//it returns the position of the last found occurrence with a specified value in a string
console.log(stringTwo.indexOf("end")); // 17

//match()
//match is going to search a string for a match against a regular expression and returns the matches
console.log(stringTwo.match(/end/g)); // ["end"
 
,"end"]

//repeat()
//it going to return a new string with a specified number of copies of an existing string
console.log(stringTwo.repeat(2)); // "frontend and backend developmentfrontend and backend development"

//replace()
//it searched a string for a specified value or regular expression and returns a new string where the specified values are
console.log(stringTwo.replace(/end/g, "END")); // frontEND and backEND development

//search()
//it's going to search a string for a specified value or regular expression and return the position of the match
console.log(stringTwo.search("end")); // 5

//slice()
//it's going to extract a part of the string and return a new string
console.log(stringTwo.slice(2,4)); // "on"

//split()
//it's going to split a string into an array of sub strings 
console.log(stringTwo.split(" ")); // ["frontend","and","backend","development"]

//startsWith()
//it's going to check whether a string begins with specified characters
consoe.log(stringOne.startsWith("free")); // true

//substr()
console.log(stringTwo.subStr(2,4)); // "onte"

//substring()
console.log(StringTwo.substring(2,4)) // "on"

//toLowerCase()
console.log(stringOne.toLowerCase()) // "freecodecamp is the best place to learn"

//toUpperCase()
console.log(stringOne.toUpperCase()) // "FREECODECAMP IS THE BEST PLACE TO LEARN"

//trim()
//it's going to remove whitespace from either side of the string
var stringThree = "   Subscribe now!      "
console.log(stringThree.trim()); // "Subscribe now!"