recently read
es6 (Ruan Yifeng"s introduction to es6)-ECMAScript 6 introduction to the data structure of the Map chapter here do not know how to ask the boss for advice.
//
{
["a"]:555
}
recently read
es6 (Ruan Yifeng"s introduction to es6)-ECMAScript 6 introduction to the data structure of the Map chapter here do not know how to ask the boss for advice.
//
{
["a"]:555
}
['a'] === ['a'] // false
var a = ['a']
var b = a
a === b // trueobject is a reference type, and what is actually stored in the variable is the object's memory address, {} = = {} / / false
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