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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.
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.
3 lut 2024 · The jQuery.each() function is a versatile tool in jQuery for iterating over DOM elements, arrays, and objects, allowing for efficient multi-element DOM manipulation and data processing.
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.
23 kwi 2024 · jQuery provides an object iterator utility called $.each() as well as a jQuery collection iterator: .each(). These are not interchangeable. In addition, there are a couple of helpful methods called $.map() and .map() that can shortcut one of our common iteration use cases.
To check if an array is empty, NULL, or undefined in jQuery and JavaScript, we use two major functions, jQuery.isEmptyObject (arrayVariable) length property. To check, if an array is undefined we use typeof JS operator.
14 kwi 2016 · How can I check the array has empty element or not? Imagine this array, var arr = [ 'a', 'b', , 'd']; the arr[2] is undefined. I want to check this. If the element has empty element, return 'true' or return false. Maybe like this, function hasEmptyElement(array){ for (var i=0; i<array.length; i++){ if (typeof arr[i] == 'undefined'){ return true ...
