Commenting in JavaScript. Multi-line Comments
Multi-line Comments
Multiline comments have a purpose same as single-line comments.
Multiline comments start with two symbols: /*. To end the comment, we use these symbols */ again. Everything in these symbols will be commented out.
/* class WebDeveloper{
constructor(firstName, lastName) {
this.firstName = firstName;
this.lastName = lastName;
}
}
let me = new WebDeveloper('Robin', 'Wieruch');
console.log(me);
*/
/* class WebDeveloper{ constructor(firstName, lastName) { this.firstName = firstName; this.lastName = lastName; } } let me = new WebDeveloper('Robin', 'Wieruch'); console.log(me); */
Task
Swipe to start coding
In the following code, we only need the fullName variable. Your task is to comment out all the variables except the fullName variable using multi-line comment.
Solution
/*let firstName = "William";
let lastName = "Paul";
let age = 25;
let country = 'Germany';*/
let fullName = 'William Paul';
console.log(fullName);
Summary:
- Comments are used to illustrate the code and make the program more clear for developers.
- Commented part is not implemented by the browser.
- We can comment just a line of code.
- We can comment entire block of code
Everything was clear?
Thanks for your feedback!
Section 2. Chapter 15
let firstName = "william";
let lastName = "paul";
let age = 25;
let country = 'Germany';
let fullName = 'William Paul';
console.log(fullName);
