如何在Javascript中使用数组作为键? [英] How to use array as key in Javascript?

问题描述

我在python上有一个简单的例子:

I have a simple example on python:

programs = {}
if not programs.has_key(( program, time )):
     programs[( program, time )] = 0
programs[( program, time )] = programs[( program, time )] + 1

如何在Javascript中使用数组作为键?

How to use array as key in Javascript ?

推荐答案

这将为您解决问题吗?

jsfiddle

<script>
var ary = {person1:'valerie', person2:'alex'};
for (key in ary) {
    document.write(key, '<br>')
}

document.write(ary['person2'], '<br>')
</script>

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