Search array inArray but ignore case

Question

Hope I provided a clear title.

I am creating an array comprised of all options, trimming whitespace, and storing. (correct me if im wrong in my process). On input change, if option array returns false, clear the next field, else, store the unique new value and place in next field.

If array contains:

blue
black
brown

and I search for BLUE or Blue or BLue...etc, the result returns false. I guess im asking for caseInsensitive logic, but not sure how I can incorporate.

Ive done this all on trial and error so please feel free to refine if your time allots. Also, this needs to be within spec of jquery 1.3

http://jsfiddle.net/arkjoseph/dRpmq/2/

thank you for assistance.

Here are some suggestions - stackoverflow.com/questions/3390930/… — Jay Blanchard
– Jay Blanchard, Commented Feb 27, 2013 at 1:10

David Kiger · Accepted Answer · 2013-02-27 01:11:58Z

3

Since it looks like you have control of the values (and are making them lowercase), you can do a pretty simple change from:

if (($.inArray((this.value), option) > 0)

to

if (($.inArray((this.value.toLowerCase()), option) > 0)

Demo at http://jsfiddle.net/dRpmq/3/

answered Feb 27, 2013 at 1:11

David Kiger

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2 Comments

Johnny Rockex Over a year ago

if (($.inArray((this.value), option) > -1), no? index can be zero??

David Kiger Over a year ago

Old post, but yes, in theory. In this particular case, he has a dummy value at index 0 which I imagine he'd want to ignore in the search.

Nasir Mahmood · Accepted Answer · 2014-10-30 12:03:49Z

-1

From Case insensitive search in array JavaScript provide a Method indexOf() which is used to search object from array but this is case sensitive.

Jquery provide a method jQuery.inArray() To search object in array but this is case sensitive also i.e “a” is not equal to “A”. So we have to make our own function, Following is small javascript function which return index of object if found in array otherwise return -1 and this is case insensitive method

answered Oct 30, 2014 at 12:03

Nasir Mahmood

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