inception2 | 一个集审核、执行、备份及生成回滚语句于一身的MySQL自动化运维工具(inception) 的增强版本 | Recommender System library
kandi X-RAY | inception2 Summary
kandi X-RAY | inception2 Summary
一个集审核、执行、备份及生成回滚语句于一身的MySQL自动化运维工具(inception) 的增强版本
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QUESTION
So I am trying to create a method that mimic exactly what the Array.prototype.map()
method does and there is a lot I am confused about.
The main problem I suppose comes down to its syntax. I know there are many different ways to utilitize the map
method for instance:
example 1:
let say I have an array of objects -
...ANSWER
Answered 2019-Jun-19 at 06:06This is simplified version of the actual map
Polyfill. You need to get the length
using this.length
. And pass the current item in loop, it's index, and the array itself as a parameter to callback
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