javascript - 如何在localStorage中存储阵列？ [重复](How do I store an array in localStorage? [duplicate])

Question

This question already has an answer here:

(这个问题已经在这里有了答案：)

• Storing Objects in HTML5 localStorage 19 answers

  (在HTML5 localStorage中存储对象 19个答案)

If I didn't need localStorage, my code would look like this:

(如果我不需要localStorage，我的代码将如下所示：)

var names=new Array(); 
names[0]=prompt("New member name?");

This works.

(这可行。)

However, I need to store this variable in localStorage and it's proving quite stubborn.

(但是，我需要将此变量存储在localStorage中，事实证明它很顽固。)

I've tried:

(我试过了：)

var localStorage[names] = new Array();
localStorage.names[0] = prompt("New member name?");

Where am I going wrong?

(我要去哪里错了？)

  ask by David translate from so

Answer 1

localStorage only supports strings.

(localStorage仅支持字符串。)

Use JSON.stringify() and JSON.parse() .

(使用JSON.stringify()和JSON.parse() 。)

var names = [];
names[0] = prompt("New member name?");
localStorage.setItem("names", JSON.stringify(names));

//...
var storedNames = JSON.parse(localStorage.getItem("names"));