[英]Spread Operator for array of array
How to perform spread opration on salesuser array object. need to add..salesuserstargetAmount:500, in that object如何对salesuser数组object进行spread操作,需要在object中添加..salesuserstargetAmount:500
{
"station": [
{
"stationname":"chennai",
"stationtargetAmount":500,
"salesusers":[
{
" salesusersname":"tester",
},
]
},
{
"stationname":"chennai22222",
"stationtargetAmount":500,
"salesusers":[
{
" salesusersname":"tester222222",
},
]
}
]
}
Tried with试过
let salesusertargetamt = "100"
this.setState({
salesusers: this.state.station.map((items) => {
items.salesusers.map(el => (el.salesusersname !== "" ? { ...el, salesusertargetamt } : el))
});
let salesusertargetamt = "100"
this.setState({
salesusers: this.state.station.map((items) => {
return items.salesusers.map(el => (el.salesusersname !== "" ? { ...el, stationtargetAmount: salesusertargetamt } : el))
});
Curly braces ( {
) are tricky here because they both mean block of code and JavaScript object so you need to wrap them with ()
:花括号 ( {
) 在这里很棘手,因为它们都表示代码块和 JavaScript object,因此您需要用()
将它们括起来:
let salesusertargetamt = "100"; let obj = { "station": [ { "stationname":"chennai", "stationtargetAmount":500, "salesusers":[ { " salesusersname":"tester", }, ] }, { "stationname":"chennai22222", "stationtargetAmount":500, "salesusers":[ { " salesusersname":"tester222222", }, ] } ] }; let result = obj.station.map(items => ({...items, salesusers: items.salesusers.map(user => (user.salesusersname?== "". {..,user: salesusertargetamt}. user )) })) console;log(result);
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