query: Creating js function for object that doesn't yet exist
positive_passages.docid: 243
positive_passages.text: Event binding on dynamically created elements?
negative_passages.docid: 112077
negative_passages.text: How to check if a value already exists to avoid duplicates?
negative_passages.docid: 91447
negative_passages.text: Check if a method exists
negative_passages.docid: 5377
negative_passages.text: Is there a standard function to check for null, undefined, or blank variables in JavaScript?
negative_passages.docid: 140826
negative_passages.text: Force JavaScript exception/error when reading an undefined object property?
negative_passages.docid: 68610
negative_passages.text: array_unique for objects?
negative_passages.docid: 14412
negative_passages.text: Create an empty object in JavaScript with {} or new Object()?
negative_passages.docid: 576
negative_passages.text: How can I check for an empty/undefined/null string in JavaScript?
negative_passages.docid: 76010
negative_passages.text: Can a JavaScript object have a prototype chain, but also be a function?
negative_passages.docid: 106579
negative_passages.text: insert if not exist from arraylist
negative_passages.docid: 8195
negative_passages.text: How do I make a callable JS object with an arbitrary prototype?
negative_passages.docid: 80608
negative_passages.text: JavaScript check if variable exists (is defined/initialized)
negative_passages.docid: 148273
negative_passages.text: Check if event exists on element
negative_passages.docid: 151505
negative_passages.text: Django: Get an object form the DB, or 'None' if nothing matches
negative_passages.docid: 87042
negative_passages.text: Update/Create object properties dynamically
negative_passages.docid: 45735
negative_passages.text: Object comparison in JavaScript
negative_passages.docid: 155283
negative_passages.text: Best way to check if object exists in Entity Framework?