JavaScript versions are just versions of the Firefox interpreter, it's confusing to reference them. There is only ES3 and ES5. – Raynos. Apr 20 ... ... <看更多>

Js 中的reduce 出來一段時間了，但是還是很少使用到，一方面是手上的需求都 ... 的元素索引，如果提供了initialValue ，從0開始；否則從1開始; array ... <看更多>

JavaScript Array reduceRight() method ... The reduceRight() method works in the same way as the reduce() method, but in the opposite direction. The reduce() ... ... <看更多>

Using Array.reduce to sum a property in an array of objects - reduce-example.js. ... <看更多>