how to find object field and update with the my variable javascript

Question

I want to update field in json. My field is selectedCIID, this field is inside the some object with some hierarchy,

rows->panels->target->selectedCIId,

  var dashboard = results.dashboard;
  var dashboardJson = angular.fromJson(dashboard);
  //dashboardJson.rows //dashboardJson.rows[0].panels
  var j;
  for(i=0; i<=dashboardJson.rows; i++){
    for(j=0;)
    dashboardJson.rows[i].panels
    dashboardJson.rows[0].panels[0].targets[0].selectedCIID = ci;
    //dashboardJson.rows[0].panels[0].targets[0].selectedCIID
  }

JSON:

{
    "rows": [{
        "title": " row 1",
        "panels": [{
            "targets": [{
                "selectedCIID": "5856742957ce424b8db6cfb309b6b013",
                "series": ""
            }]
        }]
    }, {
        "title": "row 2",
        "panels": [{
            "targets": [{
                "selectedCIID": "5856742957ce424b8db6cfb309b6b013",
                "series": ""
            }]
        }, {
            "targets": [{
                "selectedCIID": "5856742957ce424b8db6cfb309b6b013",
                "series": ""
            }]
        }]
    }]
}

Code above is just dummy code for showing my approach. I can do this using native JS code. for loop.

But if I can use lodash for iterating this object _each or something it will be fine.

Or

How can I write the code to find selectedCIID inside panels wherever this field is coming updated with the my variable.

I want to update "selectedCIID" field. Please help me..

It's fine just a problem in condition(i<=dashboardJson.rows) remove equality = check from this condition as you are starting from 0 index not 1; — itzmukeshy7
– itzmukeshy7, Commented Mar 21, 2016 at 7:06
yes. I got it. this just and example.. can you suggest me same way to do in lodash.. — FrontEnd Expert
– FrontEnd Expert, Commented Mar 21, 2016 at 7:07
Try this Loop through properties in JavaScript object with Lodash — itzmukeshy7
– itzmukeshy7, Commented Mar 21, 2016 at 7:09
I want to find key and want to update in all the places, that key can come many time.. — FrontEnd Expert
– FrontEnd Expert, Commented Mar 21, 2016 at 7:16

tenbits · Accepted Answer · 2016-03-21 09:40:07Z

0

If you want to change the property of all targets then multiple loops can do this.

var rowI, panelI, targetI,
    rows, panels, targets, target;

rows = dashboardJson.rows;
for (rowI = 0; rowI < rows.length; rowI++) {
    panels = rows[rowI].panels;

    for (panelI = 0; panelI < panels.length; panelI++) {
        targets = panels[panelI].targets;

        for (targetI = 0; targetI < targets.length; targetI++) {
            target = targets[targetI];
            target.selectedCIID  = ci;
        }   
    }   
}

You can also add some if statements, in case you want to filter desired rows, panels, targets

answered Mar 21, 2016 at 9:40

tenbits

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