How to put Json data in a variable Angular 2?

Question

In the params.value, I have 3 arrays, of which I need to put the Names in a variable. I try to do through ForEach but I can not do it, what's wrong?

var roles = params.forEach(x => params.value.Name);
return roles;

{"Object":[{"TerritoryId":1,"TerritoryName":"Russia","FirmPieRotationRuleId":1,"FirmPieWorkedYears":0,"FirmPieCoolOff":5,"FirmPieRoles":[{"TeamRoleId":1,"Name":"Engagement Leader","MinCount":1,"MaxCount":1,"SortOrder":0},{"TeamRoleId":2,"Name":"Signing Partner","MinCount":1,"MaxCount":1,"SortOrder":0},{"TeamRoleId":3,"Name":"Engagement Manager","MinCount":1,"MaxCount":1,"SortOrder":0}],"StatutoryPieRotationRuleId":null,"StatutoryPieWorkedYears":null,"StatutoryPieCoolOff":null,"StatutoryPieRoles":[],"NonPieRotationRuleId":null,"NonPieWorkedYears":null,"NonPieCoolOff":null,"NonPieRoles":[]}],"Code":0,"ErrorMessage":null,"Errors":[]}

kind user · Accepted Answer · 2017-07-14 09:17:42Z

3

Array#forEach doesn't return anything. Try Array#map instead.

var roles = params.map(x => params.value.Name);

answered Jul 14, 2017 at 9:17

kind user

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16 Comments

Valitskiy Dmitriy Over a year ago

I have error "params.map is not a function" Although I used "import 'rxjs/Rx';"

kind user Over a year ago

@ValitskiyDmitriy params variable comes from asynchro request?

Valitskiy Dmitriy Over a year ago

No, There is no request as such. This is a table, and it works with a response from the server. For the right speakers, it takes the parts you need

Valitskiy Dmitriy Over a year ago

{ headerName: "Roles", field: "FirmPieRoles", editable: true, cellEditorFramework: DropdownEditorComponent, cellEditorParams: { values: RolesDictionary }, cellRenderer: function (params) { var roles = params.map(x => params.value.Name); return roles; } },

kind user Over a year ago

@ValitskiyDmitriy Is it Angular? Anyways, what argument you are passing to the cellRenderer function?

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Rodris · Accepted Answer · 2017-07-14 15:21:24Z

0

The value is the array. Try this:

var roles = params.value.map(val => val.Name)

answered Jul 14, 2017 at 15:21

Rodris

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