Answer
Utilities: $.each(), $.extend(), $.trim(), $.isArray(), $.isFunction().
Quick Answer
jQuery utilities: $.each(collection, callback) iterates arrays and objects; $.map(array, fn) transforms arrays; $.extend(target, source) merges objects; $.isArray(), $.isFunction(), $.type() check types; $.parseJSON() parses JSON strings; $.trim() strips whitespace; $.ajax and its shorthand methods are also utilities. Mostly replaced by native ES6 equivalents.
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SugharaIQ Editorial Team
Verified Answer
This answer has been peer-reviewed by industry experts holding senior engineering roles to ensure technical accuracy and relevance for modern interview standards.
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Source: SugharaIQ