?Briefly explain how to write JavaScript code.

Question

What will be an ideal response?

Answer 1

?Keep the following syntax rules and guidelines in mind when writing JavaScript code. First, JavaScript is case sensitive, which means that it distinguishes between upper- and lower-case letters. If you create a variable named foodGroup, JavaScript will not recognize this variable if it is written as FoodGroup.Like HTML and CSS, you can incorporate comments in JavaScript code.Use two slashes for a one-line comment and use the slash and asterisk for multiline comments, as follows:// Single line comment syntax/* Multiple line comment syntax */?Using semicolons to end JavaScript statements is a common practice by programmers. Though it is not always necessary, it is a good best practice. The only time the semicolon is necessary is when multiple statements appear on the same line. The semicolon is used to separate each statement, similar to how a period separates one sentence from another. The following statements are all valid:foodOne = squashfoodTwo = pepper;foodOne = squash; foodTwo = pepper;?You can write JavaScript within an HTML page or as a separate JavaScript file with the filename extension .js. When JavaScript is written within an HTML page, the code may be within theheadelement or thebodyelement, depending upon the developer and the task at hand. The following is an example of how to write a JavaScript statement within an HTML document using the script tags.     JavaScript statement;?When you create JavaScript as an external .js file, place a script element in theheadelement of the HTML file and specify the external .js file as the file source, as follows:?