JS arrays, strings, JSON convert each other

Source: Internet
Author: User
Tags array to string convert string to json string to json
Array to String
var arr = [1,2,3,4, ' Bud ', ' merge '];var str = arr.join (', '); Console.log (str); 1,2,3,4, Bud, merge
Array of string turns
var str = ' 1,2,3,4, bud, merge '; var arr = Str.split (', '); Console.log (arr);     ["1", "2", "3", "4", "Bud", "merge"]   array Console.log (arr[4]);  Bud
Mutual conversion of JSON and strings
Json.parse ();//convert string to JSON format
Json.stringify ();//Turn JSON into a string
Convert an array to JSON
var a = [' A ', ' B ', ' C '];
var json = {};
for (Var i=0;i<a.length;i++)
{
Json[i]=a[i];
}
Console.log (JSON);//{0: "A", 1: "B", 2: "C"}





JS arrays, strings, JSON convert each other

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