[英]Iterating through an object with several json strings in Javascript
很抱歉這個菜鳥問題,但我找不到類似問題的答案。
我有一個由數百個 json 字符串組成的對象,我想遍歷該對象並從每個字符串返回特定值。
我有這個代碼
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
這正是我想要的,但我想對這樣的嵌套 json 對象執行此操作:
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"}}',
];
我的預期結果是:
hivebuilder 0.161
pele23 1.031
我知道我必須使用循環來遍歷每個字符串,但我無法理解如何去做,請幫忙?
嘗試這個
let names = leo.map(function (item) {
const elem = JSON.parse(item);
return elem.contractPayload.to + " " + elem.contractPayload.quantity;
});
console.log(JSON.stringify(names));
結果
["hivebuilder 0.161","pele23 1.031"]
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