Ways to clear an existing array A : Method 1. (this was my original answer to the question) A = [];. This code will set the variable A to a new empty array. ... <看更多>

This is the fastest way to empty an array: a = [];. This code assigned the array a to a new empty array. It works perfectly if you do not have any references to ... ... <看更多>

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There are plenty of methods to empty an array. ... Vue does array diffing, so you can either mutate it in place or just do this.arr = [] . ... <看更多>