JS: String property & methods

//* String property & methods *//

//A) String property

1) length : returns the length of string

//B) String methods

1)   slice()

2)   replace()

3)   toUpperCase()

4)   toLowerCase()

5)   concat() : joins two different strings

6)   trim() : removes whitespace from both sides of a string

7)   trimStart() : removes whitespace only from the start of a string

8)   trimEnd() : removes whitespace only from the end of a string

9)   charAt() : method returns the character at a specified index (position) in a string

10) startsWith() : Checks whether a string begins with specified characters

11) endsWith() : Checks whether a string ends with specified characters

12) includes() : Returns if a string contains a specified value

13) indexOf() : Returns the index (position) of the first occurrence of a value in a string

14) repeat() : returns a new string with a number of copies of a string

//* String property & methods: Lecture 1 *//

//A) String property

1) length : returns the length of string

//----------------------

//B) String methods

1)   charAt() : method returns the character at a specified index (position) in a string

2)   startsWith() : Checks whether a string begins with specified characters

3)   endsWith() : Checks whether a string ends with specified characters

4)   includes() : Returns if a string contains a specified value

5)   indexOf() : Returns the index (position) of the first occurrence of a value in a string

6)   repeat() : returns a new string with a number of copies of a string

7)   concat() : joins two different strings

//* String property & methods: Lecture 1 *//

//A) String property

//1) length : returns the length of string

let h1 = 'Shriram'

console.log(h1.length)

let h2 = 'sachin ramesh tendulkar'

console.log(h2.length)

//----------------------

//B) String methods

// 1)   charAt() : method returns the character at a specified index (position) in a string

let h3 = "Suhas"

console.log(h3.charAt(0))

console.log(h3.charAt(2))

// 2)   startsWith() : Checks whether a string begins with specified characters and returns boolean value

let h4 = "tuljapur"

console.log(h4.startsWith('t'))

console.log(h4.startsWith('u'))

console.log(h4.startsWith('tul'))

// 3)   endsWith() : Checks whether a string ends with specified characters and returns boolean value

let h5 = 'dharashiv'

console.log(h5.endsWith('v'))

console.log(h5.endsWith('i'))

console.log(h5.endsWith('shiv'))

// 4)   includes() : Returns boolean value if a string contains a specified value

let h6 = 'Mumbai'

console.log(h6.includes('M'))

console.log(h6.includes('u'))

console.log(h6.includes('j'))

// 5)   indexOf() : Returns the index (position) of the first occurrence of a value in a string

let h7 = "Kolhapur"

console.log(h7.indexOf('K'))

console.log(h7.indexOf('a'))

let h8 = 'Pralhad'

console.log(h8.indexOf('a'))

// 6)   repeat() : returns a new string with a number of copies of a string

let h9 = 'Ramesh'

console.log(h9.repeat(2))

// 7)   concat() : joins two different strings

let h10 = "Rahul"

let h11 = " Dravid "

console.log(h10.concat(h11))

console.log(h11.concat(h10))

//---------------------------------------------

//* String property & methods: Lecture 2 *//

//B) String methods:

// 8)  slice(): extracts a part of a string and returns the extracted part in a new string.

//         01234567   

let h12 = 'Sinhagad'

console.log(h12.slice(0,5))

let h13 = 'mango, banana'

console.log(h13.slice(8,12))

// 9)  replace(): method replaces a specified value with another value in a string

let h14 = 'Ramesh'

console.log(h14.replace('Ra','U'))

let m1 = 'Tuljai'

console.log(m1.replace('T','A'))

let h15 = 'Virendra Sehwag'

console.log(h15.replace('Virendra','Ram'))

// 10) toUpperCase(): A string is converted to upper case

let h16 = 'yuvraj singh'

console.log(h16.toUpperCase())

let h17 = 'virat kohli'

console.log(h17.toUpperCase())

// 11) toLowerCase(): A string is converted to upper lowercase

let h18 = 'ROHIT SHARMA'

console.log(h18.toLocaleLowerCase())

let h19 = 'UMESH YADAV'

console.log(h19.toLowerCase())

// 12) trim(): removes whitespace from both sides of a string

let h20 = ' Hello '

console.log(h20.trim())

let h21 = ' Welcome '

console.log(h21.trim())

// 13) trimStart(): removes whitespace only from the start of a string

let h22 = ' Hanuman'

console.log(h22.trimStart())

let h23 = ' Sita'

console.log(h23.trimStart())

// 14) trimEnd(): removes whitespace only from the end of a string

let h24 = 'Laxman '

console.log(h24.trimEnd())

let h25 = 'Ram '

console.log(h25.trimEnd())