Javascript object within object

Question

I'm having a few issues with creating an object within an object, it's syntax related but can't seem to remember how I can achieve this.

ajaxRequest = {
that: null,
request: null,  
multiRun: null,
multiRunTimer: null,
defaults={
    ext: '',
    url: '',
    type: "POST",
    dataType: "json",
    payload: null,
    beforeSend: 'handleBefore',
    error: 'handleError',
    complete: 'handleCompletion',
    pass: false,
    debug: false,
    multiRunBlock: false                
}}

I get a syntax error of Uncaught SyntaxError: Unexpected token =

When you're within an object, assign properties using a colon (:) instead of an =. — Cᴏʀʏ
– Cᴏʀʏ, Commented Dec 15, 2011 at 15:36

karim79 · Accepted Answer · 2011-12-15 15:35:42Z

8

Use : to separate 'properties' from their respective values:

defaults: {
    ext: '',
    url: '',
    type: "POST",
    dataType: "json",
    payload: null,
    beforeSend: 'handleBefore',
    error: 'handleError',
    complete: 'handleCompletion',
    pass: false,
    debug: false,
    multiRunBlock: false                
}}

Some reading:

http://www.dyn-web.com/tutorials/obj_lit.php

answered Dec 15, 2011 at 15:35

karim79

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jrummell · Accepted Answer · 2011-12-15 15:35:47Z

2

You need a : instead of = for defaults.

var ajaxRequest = {
that: null,
request: null,  
multiRun: null,
multiRunTimer: null,
defaults: {
    ext: '',
    url: '',
    type: "POST",
    dataType: "json",
    payload: null,
    beforeSend: 'handleBefore',
    error: 'handleError',
    complete: 'handleCompletion',
    pass: false,
    debug: false,
    multiRunBlock: false                
  }
};

answered Dec 15, 2011 at 15:35

jrummell

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Comments

Jonathon Bolster · Accepted Answer · 2011-12-15 15:36:11Z

2

ajaxRequest = {
that: null,
request: null,  
multiRun: null,
multiRunTimer: null,
defaults: {
    ext: '',
    url: '',
    type: "POST",
    dataType: "json",
    payload: null,
    beforeSend: 'handleBefore',
    error: 'handleError',
    complete: 'handleCompletion',
    pass: false,
    debug: false,
    multiRunBlock: false                
}}

As it says, you have an issue with the =. User = to assign a variable, but properties within an object should use : (just like the rest of your properties)

answered Dec 15, 2011 at 15:36

Jonathon Bolster

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