从JavaScript对象提取数据 [英] Extract data from JavaScript object
本文介绍了从JavaScript对象提取数据的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
如何在下面的对象中将汇率"值"18.52005000"分配给JavaScript变量?
How can I assign the "Exchange Rate" value of "18.52005000" in the object below to a JavaScript variable?
{
"Realtime Currency Exchange Rate": {
"1. From_Currency_Code": "USD",
"2. From_Currency_Name": "United States Dollar",
"3. To_Currency Code": "MXN",
"4. To_Currency_Name": "Mexican Peso",
"5. Exchange Rate": "18.52005000",
"6. Last Refreshed": "2018-02-17 12:53:11",
"7. Time Zone": "UTC"
}
}
我了解一些JavaScript-我使用一个与API进行接口的脚本来转换货币汇率,而我只需要汇率部分即可完成其余的计算.
I know a little bit of JavaScript - a script I made interfaces with an API for currency conversion rates and I simply need the rate portion to do the rest of my calculations.
我正在做类似的事情来创建对象:
I am doing something like this to create the object:
var http_response = httpGet(query_url);
var http_response_json = JSON.parse(http_response);
谢谢!
推荐答案
var exchangeRate = http_response_json["Realtime Currency Exchange Rate"]["5. Exchange Rate"];
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