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davidpots/Add item to array if it doesn't exist

Created January 19, 2015 01:51
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  1. davidpots created this gist Jan 19, 2015.
    10 changes: 10 additions & 0 deletions Add item to array if it doesn't exist
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,10 @@
    // On a page with many .item elements, where each element has many tags .item__tag
    // This will create an array 'tagList' that contains all tags (without duplicates)

    var tagList = [];
    $.each( $('.item__tag'), function(i,obj) {
    nextTag = obj.innerText;
    if ($.inArray(nextTag,tagList) == -1) {
    tagList.push( nextTag );
    }
    } );