May 11, 2013 · Here I'm creating a JavaScript object and converting it to a JSON string, but JSON.stringify returns " [object Object]" in this case, instead of displaying the contents of the object.

Jan 17, 2012 · One of my alerts is giving the following result: [object Object] What does this mean exactly? (This was an alert of some jQuery object.)

I am receiving this error and I'm not sure what it means? Object reference not set to an instance of an object.

4 You can check whether object contains an attribute by using the hasattr built-in method. For an instance, if your object is a and you want to check for attribute stuff:

and Object objects! stringify({}) -> [object Object] That's because the constructor function is called Object (with a capital "O"), and the term "object" (with small "o") refers to the structural nature of the …

Jun 21, 2011 · If this is the proper way of checking if the object is null, what am I doing wrong (how can I prevent further processing on the object to avoid the NullReferenceException)?

If your object is one these examples, they may not have a __dict__ or be able to provide a comprehensive list of attributes via __dir__: many of these objects may have so many dynamic attrs it doesn't won't …

Apr 8, 2009 · I have an object x. I'd like to copy it as object y, such that changes to y do not modify x. I realized that copying objects derived from built-in JavaScript objects will result in extra, unwanted …

Jun 13, 2017 · I need to know how much bytes my object consumes in memory (in C#). for example how much my Hashtable, or SortedList, or List<String>.

Jul 8, 2009 · 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?