string
Estimated reading time: 6 minutesstring
- string is stored text type data
- string represent by one quote
' 'or double qoute" "and es6 back tick ``
let user = 'kamal';
console.log(user);
// kamal
- string concat by
+
let user = 'kamal';
let position = 'code artist';
console.log(users + ' ' + 'is a ' + position)
// kamal is a code artist
- string interpolation by es6
let user = 'kamal';
let position = 'code artist';
console.log(`${user} is a ${position}`);
// kamal is a code artist
| name | name | name | name |
|---|---|---|---|
| fromCharCode | fromCodePoint | anchor | big |
| blink | bold | charAt | charCodeAt |
| charPointAt | concat | endsWith | fixed |
| fontColor | fontSize | includes | indexof |
| italics | lastIndexOf | link | localCompare |
| match | normalize | padEnd | padStart |
| repeat | replace | search | slice |
| small | split | startsWith | strike |
| sub | substr | substring | sup |
| toLocaleLowerCase | toLocaleUpperCase | toUpperCase | toUppercase |
| toSource | toString | trim(L,R) | valueOF |
length
let users = 'kamal is a code artist';
let len = users.length;
console.log(len);
// 23
charAt
let users = 'kamal is a code artist';
let result = users.charAt(1);
console.log(result);
// a
charCodeAt
let users = 'kamal is a code artist';
let result = users.charPointAt(1);
console.log(result);
// 97
charPointAt
- same as charCodeAt
- non negative integer
concat
let users = 'kamal is a code artist';
let result = users.concat(' and web developer.');
console.log(result);
// kamal is a code artist and web developer
includes
let users = 'kamal is a code artist';
let result = users.includes('kamal',0);
console.log(result);
// true
endsWith
let users = 'kamal is a code artist';
let result = users.endsWith('artist',22);
console.log(result);
// true
padEnd
let name = 'kamal';
let result = name.padEnd(10,'a');
console.log(result);
// kamalaaaaa
padStart
let name = '