query: How can I check an array for an object before its been added?
positive_passages.docid: 3526
positive_passages.text: How to determine equality for two JavaScript objects?
negative_passages.docid: 141197
negative_passages.text: In JavaScript, is there an easier way to check if a property of a property exists?
negative_passages.docid: 128669
negative_passages.text: How to check whether multiple values exist within an Javascript array
negative_passages.docid: 62924
negative_passages.text: What's the best way to get a Class object for an array type?
negative_passages.docid: 17040
negative_passages.text: Check if an array is empty or exists
negative_passages.docid: 29245
negative_passages.text: How to check if two arrays are equal with JavaScript?
negative_passages.docid: 152608
negative_passages.text: How to push a copy of an object into array in PHP
negative_passages.docid: 65345
negative_passages.text: How to handle add to list event?
negative_passages.docid: 132944
negative_passages.text: How to Check for a Specific Type of Object in PHP
negative_passages.docid: 9001
negative_passages.text: How can I access and process nested objects, arrays or JSON?
negative_passages.docid: 129160
negative_passages.text: How to create an array if an array does not exist yet?
negative_passages.docid: 123743
negative_passages.text: how does an ArrayList compare to a dynamic array
negative_passages.docid: 113201
negative_passages.text: How do I check if my array has repeated values inside it?
negative_passages.docid: 91315
negative_passages.text: How can I make console.log show the current state of an object?
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negative_passages.text: Determine whether an array contains a value
negative_passages.docid: 105027
negative_passages.text: Can you append to specific elements in an array based on if statement conditions?
negative_passages.docid: 14293
negative_passages.text: Best way to find if an item is in a JavaScript array?