jQuery object initialization

Question

I'm not even quite sure what the correct vocabulary is for this, but I have the following code:

$(this).mySpecialMethod({
    propertyOne: "ValueOne",
    propertyTwo: "ValueTwo"
});

I'd like to dynamically control passing in a special propertyThree: "ValueThree" to this depending on other properties on the page/control.

How do I declare an object, add new properties to it based on my requirements and then pass it to the above specified method?

What you're actually doing here is passing an object (defined using object literal notation) as an argument to the function mySpecialMethod(). — Matt
– Matt, Commented Mar 9, 2015 at 16:56

Marco Bonelli · Accepted Answer · 2015-03-09 16:51:27Z

4

You can create an object like this:

var myObj = {
    propertyOne: "ValueOne",
    propertyTwo: "ValueTwo"
}

and then add to it as many properties as you want using the right syntax, like this:

if (/* some condition */) {
    myObj.propertyThree = "ValueThree";
}

Now you can pass the object you created to your method:

$(this).mySpecialMethod(myObj);

I suggest you to take a look at the MDN Documentation about Objects in JavaScript: you may find it helpful.

answered Mar 9, 2015 at 16:51

Marco Bonelli

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1 Comment

taxicala Over a year ago

I will upvote this answer as its more descriptive than mine. ;)

taxicala · Accepted Answer · 2015-03-09 16:50:10Z

1

Try as follows:

var options = {
    propertyOne: "ValueOne",
    propertyTwo: "ValueTwo"
};

if (conditionIWant === true) {
    options.propertyThree = 'ValueThree';
}

$(this).mySpecialMethod(options);

answered Mar 9, 2015 at 16:50

taxicala

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