JSFiddle - React, Tailwind, and code Playground

by nevkatz

JavaScript

const legitNums = (arr) =>{
        
        console.log('arr:');
        console.log(arr);
        let numLegit = arr.filter(x => !isNaN(parseInt(x))).length;

        console.log('numLegit:');
        console.log(numLegit);
        return arr.length == numLegit;
  
    }
    let arr = [4,2,3,2];
    
   let legit = legitNums(arr);
   console.log(Array.isArray(arr));
   console.log('legit: ' + legit);