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What is Map() Method? explain with with examples

Hi Guys, In this blog we are going to learn about map() method in JavaScript with detail understanding and examples. Map() :-  The map() method is one of the most critical tools in JavaScript programming. Its objective is to apply a function to every element present in an array, resulting in a new collection of effects. The method is highly valued by developers, and in this piece, we will investigate this method, delve into its mechanics, explore its syntax, and provide practical examples. The new array containing results is generated by calling the map() method on an array with a callback function applied to each element. The callback function can be passed as an argument and is executed during the process. For the map() method, the syntax is established as follows: When using the map() method, the the current element being processed, the array that the method was called on, and the index of the current element are passed as arguments to the callback function. It is also possible to u

Angular Basic, Features of Angular, Setup Angular Project

Today we are going to learn about Angular Basics  Let's get start... What is Angular         -    Angular is TypeScript Based open-source front-end platform.          -    Using angular we can create our application on the web and mobile side.         -    Angular is created and managed by Google.         -    It provides some features like component, directive, module, services, and end to                 end tooling. Features of Angular 1. DOM ( Document Object Model ) 2. TS ( Type-Script ) 3. Data Binding 4. Testing 1. DOM ( Document Object Model )    - In Angular, we are using regular DOM.   - Suppose we are updating 6 instances on the same HTML page.     In that case, angular is going to update the entire tree structure of HTML tags.   2. TS ( Type-Script )   - TypeScript is the superset of JS ( Javascript ).  - In the browser, It’s compiled into Plan JavaScript.  - TypeScript is created and managed by Microsoft. It provides some    feat

ES 6: Different between REST and SPREAD Operators

Java-Script Rest and Spread Operators:  In JavaScript, we are using three dots ( ... ) for both REST and SPREAD Operators. But these two operators are not the same they both have a different purpose. REST Operator - Purpose of this operator is to collect all remaining elements into the array. - For Example:           - let take one array in below example      - O/P :       Necklace [ 'Earring', 'Payal', 'Brooch', 'Bangles']   - In the Above example three-dot contain the rest of the product time in the restProdcut variable that calls Destructuring that breaks our code into small pieces.   - so in the above example, mainProduct variable contains my Main product and restProduct varibale contains my rest products.   - The rest operator always gives rest data into array format only.   - while creating function we can also use rest operator like below SPREAD Operator:  - It's work opposite to rest operators, like in rest operator we are collecting item