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JavaScript Introduction to Programming Objects and Arrays Objects

David Service
David Service
12,928 Points
Posted by David Service
David Service
12,928 Points

Using a Quotes with Sub-Scripting

Hi Everyone,

I've picked up the concept of subscripting pretty well, but wanted to verify something.

At 7:43 in this video, Jim uses a string to call upon the "log" command for the object he's working with:

console["log"](me);

From the previous video (about Arrays), I noticed that he did not have to use quotes for defined values (i.e. 0) or for variable names.

Since "log" is a property of the "console" function, I'm assuming that we only use quotes with proper words and not with defined values or variables. Is this right?

Thanks in advance,

David

shezazr
shezazr
8,275 Points

Numbers don't need quotation marks, and neither do the variables.. if you had an array with key of say dog you could do

//pseudo code alert(array['dog']) or animal = "dog" alert(array[animal])