In JavaScript, we have three ways to write any functions: function declaration, function expression, and arrow functions. In this tutorial, you'll learn JavaScript Fundamentals. Function expression vs. function declaration.
In JavaScript, we have three ways to write any functions: function declaration, function expression, and arrow functions.
But I focused on the function expression and function declaration concept in this article.
Before talking about the key differences between them let see how they look.
Function Declaration
function foo(){
alert('hello')
}
foo();
The way is to write a function declaration is shown above. What we see?
Function expression
let name = function foo(){
alert('hello')
};
foo();
Who Else Wants to Write Clean JavaScript Code? In this Javascript tutorial, you'll see 7 Tips to Make Your Coworkers Fall in Love With Your Code.
4 Ways You Can Get Rid of Dirty Side Effects for Cleaner Code in JavaScript. Bugs are born in many ways. Creating side effects is one of them. Some people say side effects are evil, some say they’re not.
You may not know about these tips 7 Simple JavaScript Tips for Optimizing Your Code
Who Else Wants to Write Clean JavaScript Code? 7 Tips to Make Your Coworkers Fall in Love With Your Code.
Static code analysis is a method of debugging by examining source code before a program is run. It's done by analyzing a set of code against a set (or multiple sets) of coding rules. Static code analysis and static analysis are often used interchangeably, along with source code analysis.