11.concat()
Ikta yoki birnechta qatorlarni birlashtirish uchun ishlatiladi.!
let fName_ = 'samandar';
let lName_ = 'hodiev';
let l_f_Name_ = fName_.concat( lName_);
console.log(l_f_Name_);
//natija - samandarhodiev
12.trim()
Ushbu metod string elementining boshlanish va tugash qismida qolgan bo'sh joyni olibtashlaydi.!
let myEmail = " samandarhodiev04@gmail.com ";
console.log(myEmail);
//natija - (start) samandarhodiev04@gmail.com (end)
let trim_ = myEmail.trim();
console.log(trim_);
//natija - (string start)samandarhodiev04@gmail.com(string end)
13.trimStart()
Ushbu metod string elementining boshlanish qismida qolgan bo'sh joyni olibtashlaydi va asl string elementiga ta'sir qilmaydi, trimStart() ECMAScript 2019 JavaScript-ga qo'shilgan.!
let myEmail = " samandarhodiev04@gmail.com ";
console.log(myEmail);
//natija - (string start) samandarhodiev04@gmail.com (string end)
let trim_ = myEmail.trimStart();
console.log(trim_);
//natija - (string start)samandarhodiev04@gmail.com (string end)
14.trimEnd()
Ushbu metod string elementining tugash qismida qolgan bo'sh joyni olibtashlaydi va asl string elementiga ta'sir qilmaydi, trimEnd() ECMAScript 2019 JavaScript-ga qo'shilgan.!
let myEmail = " samandarhodiev04@gmail.com ";
console.log(myEmail);
//natija - (string start) samandarhodiev04@gmail.com (string end)
let trim_ = myEmail.trimEnd();
console.log(trim_);
//natija - (string start) samandarhodiev04@gmail.com(string end)
15.padStart()
String satrini boshidan to'ldirish uchun ishlatiladi, ushbu metod ECMAScript 2017 da qo'shilgan.!
sintaksis: padStart(rooms, sign)
Bu yerda rooms - string satirimiz nechta xonadan tashkil topishini belgilaydi, sign - esa belgilangan xonaga yetgungacha qanday belgi bilan to'lishi kerak ekanligini belgilaydi.!
let myEmail = "samandarhodiev04@gmail.com";
console.log(myEmail);
//natija - samandarhodiev04@gmail.com
let padStart_1 = myEmail.padStart(32, 'o')
console.log(padStart_1);
//natija - oooooosamandarhodiev04@gmail.com
let padStart_2 = myEmail.padStart(35, 24)
console.log(padStart_2);
//natija - 242424242samandarhodiev04@gmail.com
16.padEnd
String satrini oxiridan to'ldirish uchun ishlatiladi, ushbu metod ECMAScript 2017 da qo'shilgan.!
sintaksis: padEnd(rooms, sign)
Bu yerda rooms - string satirimiz nechta xonadan tashkil topishini belgilaydi, sign - esa belgilangan xonaga yetgungacha qanday belgi bilan to'lishi kerak ekanligini belgilaydi.!
let myEmail = "samandarhodiev04@gmail.com";
console.log(myEmail);
//natija - samandarhodiev04@gmail.com
let padEnd_1 = myEmail.padEnd(32,'A');
console.log(padEnd_1);
//natija - samandarhodiev04@gmail.comAAAAAA
let padEnd_2 = myEmail.padEnd(40,40);
console.log(padEnd_2);
//natija - samandarhodiev04@gmail.com40404040404040
17.repeat()
Ushbu metod string satrini necha marta takrorlanishini belgilaydi, asl stringga ta'sir qilmaydi.!
sintaksis: .repeat(count)
let myEmail = "samandarhodiev04@gmail.com";
console.log(myEmail);
//natija - samandarhodiev04@gmail.com
let repeat_ = myEmail.repeat(4);
console.log(repeat_);
//natija - samandarhodiev04@gmail.comsamandarhodiev04@gmail.comsamandarhodiev04@gmail.comsamandarhodiev04@gmail.com
18.replace()
Ushbu metod string satr elementini almashtirish uchun ishlatiladi, ag global almash uchun /g ishlatiladi.!
let myEmail = "samandarhodiev04@gmail.com";
console.log(myEmail);
//natija - samandarhodiev04@gmail.com
let replace_ = myEmail.replace('.com', '.me');
console.log(replace_);
//natija - samandarhodiev04@gmail.me
let fruits_ = 'apple, banana, lemon, apple, mango, apple';
console.log(fruits_);
//natija - apple, banana, lemon, apple, mango, apple
let replace_1 = fruits_.replace('apple','pomegranate');
console.log(replace_1);
//natija - pomegranate, banana, lemon, apple, mango, apple
let replace_2 = fruits_.replace(/apple/g,'pomegranate');
console.log(replace_2);
//natija - pomegranate, banana, lemon, pomegranate, mango, pomegranate
19.replaceAll()
ES2021
let fruits_ = 'apple, banana, lemon, apple, mango, apple';
console.log(fruits_);
//natija - apple, banana, lemon, apple, mango, apple
let replaceAll_ = fruits_.replaceAll('apple', 'lemon');
console.log(replaceAll_);
//natija - lemon, banana, lemon, lemon, mango, lemon
20.split()
Ushbu metod string elementini massivga o'zgartiribberadi.!
let myEmail = "samandarhodiev04@gmail.com";
console.log(myEmail);
//natija - samandarhodiev04@gmail.com
let split_1 = myEmail.split();
console.log(split_1);
//natija - ['samandarhodiev04@gmail.com']
let split_2 = myEmail.split('');
console.log(split_2);
//natija - ['s', 'a', 'm', 'a', 'n', 'd', 'a', 'r', 'h', 'o', 'd', 'i', 'e', 'v', '0', '4', '@', 'g', 'm', 'a', 'i', 'l', '.', 'c', 'o', 'm']
let split_3 = myEmail.split('a');
console.log(split_3);
//natija - ['s', 'm', 'nd', 'rhodiev04@gm', 'il.com']
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