[英]Add key value to an object
I want to push a key-value pair in the 1st element我想在第一个元素中推送一个键值对
Like this像这样
updatedPlatingProcs = [{
"data":{
"AsfTime":1,
"newKey":"newValue" -- // this is where I wanna add the new key-value pair
},
"data2":{
"Asf":3
}
}]
I tried something like this我试过这样的事情
var platingTimeVal = {
PlatingTime: processArea * time,
};
updatedPlatingProcs[0]["data"].push(platingTimeVal);
updatedPlatingProcs.push(platingTimeVal); // also this
Got wrong results得到错误的结果
Your error is that data
in updatedPlatingProcs[0]["data"]
is not an array, it is an object.你的错误是
data
在updatedPlatingProcs[0]["data"]
是不是一个数组,它是一个对象。
You can set a value of that object like so:您可以像这样设置该对象的值:
updatedPlatingProcs[0].data.PlatingTime = processArea * time;
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