![Why ['1', '2', '10', '10'].map(parseInt) returns [1, NaN, 2, 3] in Javascript | by Richard | Enlear Academy Why ['1', '2', '10', '10'].map(parseInt) returns [1, NaN, 2, 3] in Javascript | by Richard | Enlear Academy](https://miro.medium.com/max/1136/1*CD561NJC8dHTWqTjxX340Q.png)
Why ['1', '2', '10', '10'].map(parseInt) returns [1, NaN, 2, 3] in Javascript | by Richard | Enlear Academy
![description of radix argument in parseInt calls string "numString", but parseInt header calls it "s" · Issue #42741 · microsoft/TypeScript · GitHub description of radix argument in parseInt calls string "numString", but parseInt header calls it "s" · Issue #42741 · microsoft/TypeScript · GitHub](https://user-images.githubusercontent.com/43425812/107550186-90420400-6b85-11eb-8708-acd4f871238e.png)
description of radix argument in parseInt calls string "numString", but parseInt header calls it "s" · Issue #42741 · microsoft/TypeScript · GitHub
![Why ['1', '2', '10', '10'].map(parseInt) returns [1, NaN, 2, 3] in Javascript | by Richard | Enlear Academy Why ['1', '2', '10', '10'].map(parseInt) returns [1, NaN, 2, 3] in Javascript | by Richard | Enlear Academy](https://miro.medium.com/max/1400/1*jvnT6shqFo5tDvxn9Cwq4Q.png)
Why ['1', '2', '10', '10'].map(parseInt) returns [1, NaN, 2, 3] in Javascript | by Richard | Enlear Academy
![Use the parseInt Function with a Radix - Free Code Camp Help - Basic Javascript - Algorithms & Data - YouTube Use the parseInt Function with a Radix - Free Code Camp Help - Basic Javascript - Algorithms & Data - YouTube](https://i.ytimg.com/vi/VDBNj4BDD50/sddefault.jpg)