What is an inline comment in JavaScript?
Single-line comments are referred to as inline comments when they appear at the end of a line of code. let x = 99; // assign numerical value to x let y = x + 2; // assign the sum of x + 2 to y. Inline comments can be used for quick annotation on small, specific snippets of content.
Which is used to write a multi-line comment in JavaScript?
Multi-line comments start with /* and end with */ . Any text between /* and */ will be ignored by JavaScript.
What are the two forms of JavaScript comments?
There are two types of comments in JavaScript.
- Single-line Comment.
- Multi-line Comment.
How do you comment on a single line?
Single-line comments start with two forward slashes ( // ). Any text between // and the end of the line is ignored by the compiler (will not be executed).
How do you write comment code in JavaScript?
Usually, most developers use /* and */ syntax to write multi-line block comments….But the standard way to use block comments in JavaScript is to;
- Start with /** in a blank line.
- End with */ at the end line.
- Use * at the beginning of each line between start and the end.
How do you comment out a section in JavaScript?
To create a single line comment in JavaScript, you place two slashes “//” in front of the code or text you wish to have the JavaScript interpreter ignore.
How many types of JavaScript comments are there?
two types
There are two types of comments used in JavaScript: single-line comments and block comments.
How do I make one line comment in HTML?
The only HTML comment is — –> . It can be used as a single line comment or double; it is really up to the developer. So, an HTML comment starts with
What does @param mean in JavaScript?
function parameter
Overview. The @param tag provides the name, type, and description of a function parameter. The @param tag requires you to specify the name of the parameter you are documenting. You can also include the parameter’s type, enclosed in curly brackets, and a description of the parameter.
How do you comment inside a script tag?
The comment ends with a “//–>”. Here “//” signifies a comment in JavaScript, so we add that to prevent a browser from reading the end of the HTML comment as a piece of JavaScript code.
How do you comment out a line in Java?
Single-line comments start with two forward slashes ( // ). Any text between // and the end of the line is ignored by Java (will not be executed).
How do you make a comment box in JavaScript?
Contents
- Step 1: Create a folder named public and create an index.html.
- Step 2: Add boilerplate Code to our index.html.
- Step 3: Create style.css file.
- Step 4: Add the Pusher JS library and create app.js.
- Step 5: Creating Form for adding new comment.
- Step 6: Display list of comments received for this channel.
Why JavaScript is enclosed in HTML comments?
So when javascript was first released, a technique was needed to hide the code from older browsers so they wouldn’t show it as text in the page. The ‘hack’ was to use HTML comments within the script block to hide the code.
What is @param in comments?
Overview. The @param tag provides the name, type, and description of a function parameter. The @param tag requires you to specify the name of the parameter you are documenting. You can also include the parameter’s type, enclosed in curly brackets, and a description of the parameter.
What is PARAM tag?
The tag is used to define parameters for an element.
How can you add a comment in a JavaScript?
javascript comment. The method of Adding Comments in JavaScript is Exactly same as Adding Comments in CSS. To Add Comments in JavaScript we have to write / Define our Comment data after these // Slashes (If we are adding a Single line Comment) or Between these /* */ (if we are adding Multi Line CSS Comment) // single line Comment. /*. Multi Line.
How do we use single line comments in JavaScript?
JavaScript Comments: Main Tips. Comments in JavaScript are used to explain the code and make the program more readable for developers.
How do you comment in JavaScript?
– implement AJAX to send comment data to server and store them. – Fetch comment data from server every 30 seconds. – Show comments using data.
How to insert comment lines?
First,click on the line where you want to insert the comment.