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stackoverflow.com/questions/35948669/how-to-check-if-a-value-exists-in-an-object-using-javascript How to check if a value exists in an object using JavaScript I have an object in JavaScript: var obj = { "a": "test1", "b": "test2" } How do I check that test1 exists in the object as a value? stackoverflow.com

stackoverflow.com/questions/1098040/checking-if-a-key-exists-in-a-javascript-object Checking if a key exists in a JavaScript object? How do I check if a particular key exists in a JavaScript object or array? If a key doesn't exist, and I try to access it, will it return false? Or throw an error? stackoverflow.com www.javascripttutorial.net/object/javascript-check-if-property-exists/ 3 Ways to Ch..