Created
October 13, 2020 18:10
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part1-question5
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| let abc = () => { | |
| let arr = Array.apply(0, Array(30)) | |
| .map(function(val, index) { | |
| return index; | |
| }); | |
| let err = 0 | |
| let a = new Promise((resolve, reject) => { | |
| arr = arr.map(val => { | |
| if (val% 2== 0) { | |
| return (val * val) | |
| } else { | |
| return false | |
| } | |
| }); | |
| resolve(arr) | |
| }) | |
| a.then((val) => { | |
| let errcount = arr.filter(i => i == false).length | |
| let resultArray = arr.filter(i => i != false) | |
| console.log('Number of errors' , errcount); | |
| console.log('The resultant array', resultArray) | |
| console.log('Number of objects in the resultant array', val.length) | |
| }) | |
| } | |
| abc(); |
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