Array Operations- Push, Pop, Slice, Splice, Shift, Unshift, Concat ( Complete Java Script Training )
Array Operations: Push, Pop, Slice, Splice, Shift, Unshift, Concat | Complete JavaScript Training | CODiiN Tutorial 🧑💻
👉 Welcome to CODiiN, your trusted software training institute in Kochi, Kerala! In this comprehensive tutorial, we will delve into essential array operations in JavaScript. Understanding these operations is crucial for effective array manipulation and data management in your applications.
🔍 Overview of Array Operations
Arrays are one of the most versatile data structures in JavaScript. They allow you to store multiple values in a single variable. In this tutorial, we will cover key array operations: Push, Pop, Slice, Splice, Shift, Unshift, and Concat. Each operation serves a different purpose and can help you manage your data efficiently.
1. Push
The push() method adds one or more elements to the end of an array and returns the new length of the array.
2. Pop
The pop() method removes the last element from an array and returns that element. This method changes the length of the array.
3. Slice
The slice() method returns a shallow copy of a portion of an array into a new array object selected from start to end (end not included).
4. Splice
The splice() method changes the contents of an array by removing or replacing existing elements and/or adding new elements in place.
5. Shift
The shift() method removes the first element from an array and returns that removed element. This method changes the length of the array.
6. Unshift
The unshift() method adds one or more elements to the beginning of an array and returns the new length of the array.
7. Concat
The concat() method is used to merge two or more arrays. This method does not change the existing arrays but instead returns a new array.
🔄 Comparing Array Operations
Push and Unshift are used to add elements, with Push adding to the end and Unshift adding to the beginning.
Pop and Shift are used to remove elements, with Pop removing from the end and Shift removing from the beginning.
Slice and Splice both modify arrays, but Slice returns a new array while Splice can add or remove elements in place.
Concat merges arrays without modifying the originals.
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