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luislobo14rap/function_jQuery_fn_extended_indexOf.min.js

Created April 20, 2018 20:57
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function_jQuery_fn_extended_indexOf.min.js
jQuery.fn.extend({indexOf:function(a){let b=$(this);if($(this).constructor==$().constructor){if('undefined'==typeof a)return $(this).index();if(!$(this).is(a))return console.error('This element is not equal to the selector.'),stopError;let c=-1;return $(this).parent().children().each(function(){if($(this).is(a)&&c++,$(this).is(b))return!1}),c}return console.error('The "indexOf" function only accepts jquery elements.'),stopError}});
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