• Nov 19, 2022 •CodeCatch
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const reverse = str => str.split('').reverse().join(''); reverse('hello world'); // Result: 'dlrow olleh'
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//JavaScript program to swap two variables //take input from the users let a = prompt('Enter the first variable: '); let b = prompt('Enter the second variable: '); // XOR operator a = a ^ b b = a ^ b a = a ^ b console.log(`The value of a after swapping: ${a}`); console.log(`The value of b after swapping: ${b}`);
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// `arr` is an array const clone = arr => arr.slice(0); // Or const clone = arr => [...arr]; // Or const clone = arr => Array.from(arr); // Or const clone = arr => arr.map(x => x); // Or const clone = arr => JSON.parse(JSON.stringify(arr)); // Or const clone = arr => arr.concat([]);
• Jan 17, 2021 •C S
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const getSearchTerm = delimiter => { let searchTerm = ""; for (let i = 1; i < commands.length - 1; i++) searchTerm = searchTerm + commands[i] + delimiter; searchTerm += commands[commands.length - 1]; return searchTerm; };
• Feb 6, 2021 •LeifMessinger
class SequentialQueue{ //if you want it to go backwards, too bad next(){ return this.i++; } constructor(start = 0){ this.i = start; } } const que = new SequentialQueue(0); for(let i = 0; i < 10; i++){ console.log(que.next()); }
• Jan 25, 2023 •C S
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// Vanilla JS Solution: var app = document.getElementById('app'); var typewriter = new Typewriter(app, { loop: true }); typewriter .typeString("I'm John and I'm a super cool web developer") .pauseFor(3000) .deleteChars(13) // "web developer" = 13 characters .typeString("person to talk with!") // Will display "I'm John and I'm a super cool person to talk with!" .start(); // React Solution: import Typewriter from 'typewriter-effect'; <Typewriter options={{ loop: true }} onInit={typewriter => { typewriter .typeString("I'm John and I'm a super cool web developer") .pauseFor(3000) .deleteChars(13) // "web developer" = 13 characters .typeString("person to talk with!") // Will display "I'm John and I'm a super cool person to talk with!" .start(); }} />