CODEWITHSUNDEEP
javascriptjqueryarraysjavascript-objects
scorpio1441
scorpio1441

Reputation: 3098

Get index of array's object item by property and value

I'm having troubles with updating found object. I also tried Find object by id in an array of JavaScript objects and Get JavaScript object from array of objects by value or property

Please help.

// Create array
var schedule = [];
schedule.push({ 'action': 'add', 'id': 1 });
schedule.push({ 'action': 'update', 'id': 2 });

// Find array object
var searchId = 2;
var foundObj = schedule.filter(function(obj) { return obj.id == searchId; })

// Update found object
if (typeof foundObj !== 'undefined') {
  var newId = 3;
  schedule[foundObj] = {'action': 'delete', 'id': newId };
}

console.log(schedule);
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>

Upvotes: 1

Views: 84

Answers (2)

Nina Scholz
Nina Scholz

Reputation: 386736

You could use Array#find and check and update the properties.

var schedule = [{ action: 'add', id: 1 }, { action: 'update', id: 2 }],
    searchId = 2,
    newId = 3,
    foundObj = schedule.find(function(obj) { return obj.id == searchId; })

if (foundObj) {
    foundObj.action = 'delete';
    foundObj.id = newId;
}

console.log(schedule);

Upvotes: 1

Vinod Louis
Vinod Louis

Reputation: 4876

Use find to get the object and then use index of found object to replace element

// Create array
var schedule = [];
schedule.push({ 'action': 'add', 'id': 1 });
schedule.push({ 'action': 'update', 'id': 2 });

// Find array object
var searchId = 2;
var foundObj = schedule.find(function(obj) { return obj.id == searchId; })
// Update found object
if (typeof foundObj !== 'undefined') {
  var newId = 3;
  schedule[schedule.indexOf(foundObj )] = {'action': 'delete', 'id': newId };
}

console.log(schedule);
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>

Upvotes: 3

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