[英]Iterating through an object with several json strings in Javascript
很抱歉这个菜鸟问题,但我找不到类似问题的答案。
我有一个由数百个 json 字符串组成的对象,我想遍历该对象并从每个字符串返回特定值。
我有这个代码
const leo =
'{"contractName":"tokens","contractAction":"stake","contractPayload":{"to":"hivebuilder","symbol":"LEO","quantity":"0.161"}}';
const obj = JSON.parse(leo);
console.log(obj.contractPayload.to, obj.contractPayload.quantity);
返回:
hivebuilder 0.161
这正是我想要的,但我想对这样的嵌套 json 对象执行此操作:
const leo = [
'{"contractName":"tokens","contractAction":"stake","contractPayload":{"to":"hivebuilder","symbol":"LEO","quantity":"0.161"}}',
'{"contractName":"tokens","contractAction":"stake","contractPayload":{"to":"pele23","symbol":"LEO","quantity":"1.031"}}',
];
我的预期结果是:
hivebuilder 0.161
pele23 1.031
我知道我必须使用循环来遍历每个字符串,但我无法理解如何去做,请帮忙?
尝试这个
let names = leo.map(function (item) {
const elem = JSON.parse(item);
return elem.contractPayload.to + " " + elem.contractPayload.quantity;
});
console.log(JSON.stringify(names));
结果
["hivebuilder 0.161","pele23 1.031"]
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