devtools.tech | The only way to prepare for frontend interviews

Ultimate Guide to Crack Frontend System Design Interviews

How to implement custom Array.prototype.square method?

4,075

How to implement Array.prototype.filter? JavaScript Interview Question | Array Polyfills

4,272

How to implement String.prototype.repeat? | String Polyfills | Frontend Problem Solving | JavaScript Interview Question

3,216

How to implement Array.prototype.sort? JavaScript Interview Question | Problem Solving | JavaScript Polyfills

6,584

How to implement Array.prototype.reverse? JavaScript Interview Question | Problem Solving | JavaScript Polyfills

4,396

How to implement Array.prototype.fill? JavaScript Interview Question | Problem Solving | JavaScript Polyfills

3,705

How to implement Array.prototype.shift? JavaScript Interview Question | Problem Solving | JavaScript Polyfills

3,184

How to implement Array.prototype.push? JavaScript Interview Question | Problem Solving | JavaScript Polyfills

4,507

How to implement Array.prototype.pop? JavaScript Interview Question | Problem Solving | JavaScript Polyfills

3,940

How to implement Array.prototype.unshift? JavaScript Interview Question | Problem Solving | JavaScript Polyfills

4,898

How to implement Array.prototype.every? JavaScript Interview Question | Problem Solving | JavaScript Polyfills

4,066

How to implement Array.prototype.some? JavaScript Interview Question | Problem Solving | JavaScript Polyfills

3,131

How to implement Array.prototype.includes? JavaScript Interview Question | Problem Solving | JavaScript Polyfills

4,657

How to implement Array.prototype.lastIndexOf? JavaScript Interview Question | Problem Solving | JavaScript Polyfills

3,664

How to implement Array.prototype.findLastIndex? JavaScript Interview Question | Problem Solving | JavaScript Polyfills

4,170

How to implement Array.prototype.findLast? JavaScript Interview Question | Problem Solving | JavaScript Polyfills

4,476

How to implement Array.prototype.findIndex? JavaScript Interview Question | Problem Solving | JavaScript Polyfills

3,730

How to implement Array.prototype.find? JavaScript Interview Question | Problem Solving | JavaScript Polyfills

4,176

How to implement Array.prototype.at? JavaScript Interview Question | Problem Solving | JavaScript Polyfills

3,507

How to create an object without prototype? | JavaScript Interview Question | Beginner

3,306

What would be the output of the following code snippet? [Prototypes & Scopes]

4,205

What would be the output? (Different ways of Prototype calls)

3,960

What would be the output of the following code snippet? (Prototype method invocation)

7,226

What would be the output? (Based on Array prototype forEach)

4,071