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

Explore premium tutorials by devtools.tech

How to implement custom Array.prototype.some method?

455

How to implement custom Array.prototype.forEach method?

428

How to implement custom Array.prototype.square method?

5,573

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

5,823

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

3,953

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

7,434

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

5,230

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

4,645

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

4,045

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

5,371

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

5,048

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

6,128

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

5,192

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

4,368

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

6,088

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

4,573

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

5,224

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

5,445

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

4,887

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

5,489

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

4,781

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

4,078

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

6,285

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

5,825

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

9,110

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

5,774