[英]How do I access properties of a JSON document using JavaScript?
使用JavaScript
,如何访问下面JSON
文档中的area
变量?
{
"foo : age=39, height=170": {
"age": 39,
"height": 172,
"center": {
"area": 102,
"local": 304
},
"color": "#0000ff",
"radius": 9.5,
"color_srv": "#aa0054"
}
}
您需要访问整个属性字符串,即使它看起来有点奇怪。
var data = { "foo : age=39, height=170": { "age": 39, "height": 172, "center": { "area": 102, "local": 304 }, "color": "#0000ff", "radius": 9.5, "color_srv": "#aa0054" } }; document.write(data['foo : age=39, height=170'].center.area);
首先,您需要修复该JSON
,该格式目前无效...
如果你把它改成这样......
{
"foo": {
"age": 39,
"height": 172,
"center": {
"area": 102,
"local": 304
},
"color": "#0000ff",
"radius": 9.5,
"color_srv": "#aa0054"
}
}
您可以使用下面的JavaScript
访问该变量...
console.log(testing["foo"]["center"]["area"])
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