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AngularJs Blocks Form Submit without "action"-In general, AngularJs blocks the form submit, because of empty "Action".
To add new elements you can use the following JavaScript functions: push() unshift(), concat() function or splice(). See examples.
On this page, you can learn the ways of appending an item or multiple items to an array in JavaScript.
Read this tutorial and learn the methods of checking whether the specified object has the specified property in JavaScript. Find the fastest one for you.
Read this tutorial and find methods of checking whether a JavaScript object is empty or not. Choose the best one for you and get the code immediately.
Use PHP empty () function, or count() function to check whether the array is empty or not. See examples.
You can either loop through the arrays or convert them to string and then compare. This tutorial provides several fast methods of comparing two arrays.
Read this JavaScript tutorial and learn several useful methods of copying array items into another array. Get to know which method to choose for your case.
The two-dimensional array is an array of arrays. Read this JavaScript tutorial and find out several methods of creating two dimensional arrays easily.
Read this JavaScript tutorial and get information concerning the problem of creating an Array that contains 1 through to N. Find two methods for solving it.