A = [];. This code will set the variable A to a new empty array. This is perfect if you don't have references to the ... ... <看更多>

The second way to empty an array is to set its length to zero: a.length = 0;. The length property is read/write property of an Array object. ... <看更多>

In lib/stringify.js , line 67, maybe you could test if it's an array with values ? ... <看更多>