we can easily delete null values from json object in jquery. I don't think it will remove null elements from the original. However, with the reference returned by this method, it is possible to insert the removed child to an element at a later time (See "More Examples"). Empty means there is no data (list length is 0). How to exclude empty array (null value) while using String.Split Method A string can be split into an array of strings using String.Split() method. All roads lead to JavaRanch . The first argument defines the location at which to begin adding or removing elements. T he JavaScript primitive type null represents an intentional absence of a value — it is usually set on purpose to indicate that a variable has been declared but not yet assigned any value. Zak Tacc. Null has data but it can’t be used (list length is 1) like a null mesh can still exist, you just can’t do anything to it (like baking), but you can actually fix it after the fact to be not null. If it's too short, it will truncate the original. See above. If you want special cases for uninitialized or empty values, state machines are a better bet. New JavaScript Features. The removeChild() method removes a specified child node of the specified element. To avoid that trap, don’t use null in JavaScript. Note: The removed child node is no longer part of the DOM. To remove the Options from Select list, you need to assign NULL value to the option you want to delete. If you want to remove all empty values from javascript json object then i will show you how to remove null and empty values from json object variable. In order to remove empty elements from an array, filter() method is used. Remove empty elements from an array in javascript - In some situations we may want to keep 0 in the array and remove anything else null, undefined and , this is one way Definition and Usage. Returns the removed node as a Node object, or null if the node does not exist.. Or, you can use function remove() on select object. The pop() and shift() methods change the length of the array.. You can use unshift() method to add a new element to an array.. splice()¶ The Array.prototype.splice() method is used to change the contents of an array by removing or replacing the existing items and/or adding new ones in place. This method will return a new array with the elements that pass the condition of the callback function. Greenhorn Posts: 25. posted 10 years ago. Instead, null expresses a lack of identification, indicating that a variable points to no object.In APIs, null is often retrieved in a place where an object can be expected but no object is relevant. we will create a new ArrayList to store the values (Listgame).