如何遍历json对象? [英] How to iterate through a json object?
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问题描述
我想迭代一个二维的json对象...
对于一维json对象我这样做
I want to iterate through a json object which is two dimensional ... for a one dimensional json object I do this
for (key in data) {
alert(data[key]);
}
我该如何处理二维问题?
what do i do about a two dimensional one??
推荐答案
Javascript中没有二维数据,所以你拥有的是嵌套对象,或锯齿状数组(数组数组)或组合(具有数组属性的对象或对象数组)。只需遍历子项:
There is no two dimensional data in Javascript, so what you have is nested objects, or a jagged array (array of arrays), or a combination (object with array properties, or array of objects). Just loop through the sub-items:
for (var key in data) {
var item = data[key];
for (var key2 in item) {
alert(item[key2]);
}
}
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