How to convert arrow function into a regular function?

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I am trying to convert an arrow function into a regular function

this piece of code:

let rating = (item) => ({"title":item["Title"], "rating":item["imdbRating"]}) )

like so:

let rating = function (item) {
    "title":item["Title"], "rating":item["imdbRating"]

while I thought these two are equivalent, I am getting this message

SyntaxError: unknown: Unexpected token, expected

You are lacking return. When you pass in a custom function for the method, you will need to return a value for that function.

let rating = {
  return {"title":item["Title"], "rating":item["imdbRating"]};

Nonetheless, it is more useful to use the arrow functions, as arrow functions seems more concise, and allows you to access this within it.

Arrow function expressions, Turn regular function declarations into arrow function expressions. Teacher's Notes; Video Transcript; Downloads. Understanding Regular Function & Converting To Arrow Function. Jul 31 · 5 min read. Photo by me — Syntax difference & similarity for regular function (anonymous) & arrow function

In arrow function any expression after => become implicit return of function.

In regular functions you need to use return keyword.And also warp your properties in {}

let rating ={
    return {"title":item["Title"], "rating":item["imdbRating"]};    

You can also shorten your code by using Parameter destructuring.

let rating ={Title:title,imdbRating:rating}){
    return {"title":Title, "rating":imdbRating};    

Or you could name to properties while destuctruing.

let rating ={Title:title,imdbRating:rating}){
    return {title,rating};  

Convert to Arrow Function Expressions, In this article we'll explore the shorter syntax of arrow functions and is to attempt to convert a function expression into an arrow function. Converting Arrow function into regular function. Hello there, Simple question here. I am trying to follow Guil's video and I am trying to re-write the syntax of his

You need to use return and you can also use shorthand notation of object if you use destructuring

let rating ={Title:title, imdbRating:rating}) {
  return {title,rating};

JavaScript — Understand Arrow Function Syntax, Benefit #1: Shorter Syntax. Lets take a look at a regular function: function funcName(params) { return params + 2; }funcName� 1:18 The process for 1:22 converting this function declaration to an arrow function expression, 1:23 is almost exactly the same as our first example, except for one difference. 1:26 Do you know what it is? 1:30 Yep, you got it. 1:33 This function receives two parameters, so they have to be enclosed with parentheses.

JavaScript: Arrow Functions for Beginners, Arrow functions can be used in the same way as Function Expressions. For instance, to Then use a normal return within them. Like this:. Practice arrow function syntax by converting regular function declarations to arrow function expressions, refactoring arrow functions, and debugging arrow functions.

Arrow functions, the basics, Arrow functions versus normal functions; 13.9. FAQ: arrow functions. 13.9.1. Why are there “fat” arrow functions ( => ) in ES6, but no “thin” arrow functions ( -> )? You can use the method bind() to convert a function whose this is determined by � With arrow functions the this keyword always represents the object that defined the arrow function. Let us take a look at two examples to understand the difference. Both examples call a method twice, first when the page loads, and once again when the user clicks a button. The first example uses a regular function, and the second example uses an

13. Arrow functions, Arrow functions – a new feature introduced in ES6 – enable writing concise functions in JavaScript. While both regular and arrow functions� Regular functions vs Arrow functions. An arrow function is used to write the code concisely. Both functions regular and arrow work in a similar manner but there are some differences between them. Let's discuss those differences in a nutshell. syntax of an arrow function let x = (params) => { // code }; syntax of a regular function

  • return {"title":item["Title"], "rating":item["imdbRating"]}