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7 maj 2013 · You should check for '' (empty string) before pushing into your array. Your array has elements that are empty strings. Then your album_text.length === 0 will work just fine.
I'm running into trouble an array in an array is empty. I got two arrays which I push into a new one, so I can use jQuery .each () with the new array. The new array can have different states: contain empty arrays: nextEvent = [[ ], [ ]] contain two full arrays which contain one object each: nextEvent = [[object], [object]]
The $.each() function can be used to iterate over any collection, whether it is an object or an array. In the case of an array, the callback is passed an array index and a corresponding array value each time.
The jQuery.each() method makes it trivial to iterate over or inspect any kind of collection; arrays, objects, array-like objects, even jQuery DOM Objects.
28 lis 2022 · You can now use this method to check if an object is empty with an if statement or create a function that checks. const isObjectEmpty = (objectName) => { return Object.keys(objectName).length === 0} This will return either true or false. If the object is empty, it will return true, otherwise, it will return false.
23 kwi 2024 · $.each() is a generic iterator function for looping over object, arrays, and array-like objects. Plain objects are iterated via their named properties while arrays and array-like objects are iterated via their indices. $.each() is essentially a drop-in replacement of a traditional for or for-in loop. Given:
jQuery.isEmptyObject () Description: Check to see if an object is empty (contains no enumerable properties). The object that will be checked to see if it's empty. As of jQuery 1.4 this method checks both properties on the object itself and properties inherited from prototypes (in that it doesn't use hasOwnProperty).
