To get the last item without knowing beforehand how many items it contains, you can use the length property to determine it, and since the array count starts at 0, you can pick the last item by referencing the <array>.length - 1 item....
let numbers = [1, 3, 5, 7, 9, 11, 13, 15]; let lastElement = numbers.slice(-1); console.log(lastElement); //Output: 15Code language: JavaScript (javascript) Using pop() method The pop() method modifies the length of the array and removes and returns the last element of the ...
This post will discuss how to get the last element of an array in JavaScript. 1. Using [] operator The recommended solution to get any element of an array is using the [] operator. To get the last element, simply pass its index to the [] operator, as shown below: 1 2 3 4 5 6...
Sets are always unique, and using Array.from() you can convert a Set to an array. For reference have a look at the documentations. https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Array/from https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/...
// Fastest method, requires the array is in a variablemyArray[myArray.length-1];// Also very fast but it will remove the element from the array also, this may or may not matter in your case.myArray.pop();// Slowest but very readable and doesn't require a variablemyArray.slice(-1...
TheArray.lengthproperty provides the length of an array. Above code, the last element from an array is 9. For additional reference, you can refer to other posts onJavascript Add,Delete from Array Now, let’s explore multiple ways to retrieve the last element of an array in JavaScript: ...
Since the indexing in ArrayList starts from 0 and ends one place before the actual size hence the correct statement to return the last arraylist element would be: int last = mylist.get(mylist.size()-1); For example: if size of array list is 5, then size-1 = 4 would return the las...
To get the last value of an ArrayList in Java, you can use the size() method to get the size of the list and then access the value at the index size() - 1. Here's an example: ArrayList<Integer> list = new ArrayList<>(); list.add(1); list.add(2); list.add(3); int last...
Hi friends! Today I want to show you how to get the index of the max value in an array using JavaScript. When we work with an array of numbers, sometimes we need to find out what’s the maximum value, and then find its position in the array. ...
String.lastIndexOf(start,value ) 从后向前检索一个子字符串; 参数同上 返回值:在string中的start位置之前,substring第一个值在string中第一次出现的位置。如果没有找到,则返回-1。 var str = 'abcedcbadefghi'; // 此时是从第一位开始往前查找,找不到,返回-1. ...