Creating object with dynamic key [duplicate]

Question

I have to create a object key based on some dynamic value . Here the value of str will from user to user. The user enters the value of str. I want to use str value entered by user to create Object.

var str = $('#inputValue');

var obj = new Object();
obj.assignment = new Object();
obj.assignment.name= "assignmentName";
obj.assignment.str = new Object();

Duplicate of ~ 1000 questions.

Christoph
– Christoph

2013-12-11 12:31:30 +00:00
Commented Dec 11, 2013 at 12:31 — Christoph
– Christoph, Commented Dec 11, 2013 at 12:31
I am confused - what the first str is for?

ZenMaster
– ZenMaster

2013-12-11 12:31:55 +00:00
Commented Dec 11, 2013 at 12:31 — ZenMaster
– ZenMaster, Commented Dec 11, 2013 at 12:31

Guilherme Sehn · Accepted Answer · 2013-12-11 12:30:21Z

4

Use the brackets syntax:

obj.assignment[str] = new Object();

Side note: you can use the shortcut {} to create new objects. For example:

obj.assignment[str] = {};

answered Dec 11, 2013 at 12:30

Guilherme Sehn

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Comments

Prateek · Accepted Answer · 2013-12-11 12:33:02Z

1

New Object:

obj.assignment[str] = {};

answered Dec 11, 2013 at 12:33

Prateek

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