Where do semicolons go JavaScript?

Do you need semicolons in JavaScript anymore?

Semicolons are not required for JavaScript programming, nevertheless I advice you to use it. It makes your code more readable and is actually a good practice, and almost all cool programming languages uses it. Take a stand and use it, it’s up to you now!

Where do you put semicolons?

Using Semicolons

  1. A semicolon is most commonly used to link (in a single sentence) two independent clauses that are closely related in thought. …
  2. Use a semicolon between two independent clauses that are connected by conjunctive adverbs or transitional phrases.

Why is it bad to use an automatic semicolon?

Douglas Crockford’s JavaScript: The Good Parts says on two separate occasions that it is a bad idea. The automatic semicolon insertion can hide bugs in your program and creates ambiguity.

What does a semicolon mean in JavaScript?

The semicolon in JavaScript is used to separate statements, but it can be omitted if the statement is followed by a line break (or there’s only one statement in a { block } ). A statement is a piece of code that tells the computer to do something.

What are some examples of semicolons?

Examples of Semicolons: Joan likes eggs; Jennifer does not. The cat slept through the storm; the dog cowered under the bed. Semicolons are also used in a sentence when something stronger than a comma is needed.

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How do semicolons work?

Semicolons with independent clauses

Use a semicolon to join two related independent clauses in place of a comma and a coordinating conjunction (and, but, or, nor, for, so, yet). Make sure when you use the semicolon that the connection between the two independent clauses is clear without the coordinating conjunction.

Should I use semicolons in TypeScript?

Conclusion. Use TypeScript (with no-unexpected-multiline) and safely omit semicolons.

Why are semicolons optional in JavaScript?

The reason semicolons are sometimes optional in JavaScript is because of automatic semicolon insertion, or ASI. ASI doesn’t mean that actual semicolons are inserted into your code, it’s more of a set of rules used by JavaScript that will determine whether or not a semicolon will be interpreted in certain spots.

Should I use semicolons in react?

Use semi-colons at the end of return statements: This is especially helpful within the context of JS frameworks like react where a return statement can take up the whole function. It helps spot the difference between when the function logic ends and when the actual function ends.

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