Rename Object Key in an array using javascript
19,775
Solution 1
Use the map
function:
var array = [{"id":"5","name":"Immidiate"},
{"id":"4","name":"30 days"},
{"id":"3","name":"21 days"},
{"id":"2","name":"14 days"},
{"id":"1","name":"7 days"},
{"id":"6","name":"Custom"}];
var resultArray = array.map(function(elm) {
return { Name: elm[widget.seriesname], Data: elm[widget.dataname]};
});
Solution 2
const arr = [{"id":"5","name":"Immidiate"},
{"id":"4","name":"30 days"},
{"id":"3","name":"21 days"},
{"id":"2","name":"14 days"},
{"id":"1","name":"7 days"},
{"id":"6","name":"Custom"}];
const resultArray = arr.map(elm => ({ Name: elm.id, Data: elm.name}));
console.log(resultArray);
Solution 3
EDIT: Just seen your angular tag - use angular's forEach:
var out = [];
angular.forEach(data, function (obj) {
out.push({
Name: obj.id,
Data: obj.name
});
});
Without angular:
For modern browsers, use array.map:
var out = data.map(function (obj) {
return {
Name: obj.id,
Data: obj.name
};
});
console.log(out);
And in older browsers:
var data = [{"id":"5","name":"Immidiate"},
{"id":"4","name":"30 days"},
{"id":"3","name":"21 days"},
{"id":"2","name":"14 days"},
{"id":"1","name":"7 days"},
{"id":"6","name":"Custom"}];
var out = [];
for (var key in data) {
if (data.hasOwnProperty(key)) {
out.push({
'Name': data[key].id,
'Data': data[key].name
});
}
}
console.log(out);
Solution 4
You could also do this:
arr.map(({id, name}) =>({name: id, data:name}))
const objArr = [
{ id: "5", name: "Immidiate" },
{ id: "4", name: "30 days" },
{ id: "3", name: "21 days" },
{ id: "2", name: "14 days" },
{ id: "1", name: "7 days" },
{ id: "6", name: "Custom" },
];
objArr.map(({id, name}) =>({name: id, data:name}))
Solution 5
You can also use Underscopre.js map
method:
$scope.newList = _.map(list, function(item) {
return { Name: item.id, Data: item.name};
});
See Example in Fiddle
Author by
Sajeetharan
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Updated on July 21, 2022Comments
-
Sajeetharan almost 2 years
In my angular application i am getting an Json Data like below.
[{"id":"5","name":"Immidiate"}, {"id":"4","name":"30 days"}, {"id":"3","name":"21 days"}, {"id":"2","name":"14 days"}, {"id":"1","name":"7 days"}, {"id":"6","name":"Custom"}]
I need an output like below,
[{"Name":"5","Data":"Immidiate"}, {"Name":"4","Data":"30 days"}, {"Name":"3","Data":"21 days"}, {"Name":"2","Data":"14 days"}, {"Name":"1","Data":"7 days"}, {"Name":"6","Data":"Custom"}]
Here is my code
$rootScope.DashboardData["Name"] = widget.seriesname ; delete $rootScope.DashboardData[widget.seriesname]; $rootScope.DashboardData["data"] = widget.dataname ; delete $rootScope.DashboardData[widget.seriesname]; widget.chartSeries = $rootScope.DashboardData;
where widget.seriesname is "id" and widget.dataname is "name".
Problem: Key is not changed!