In JavaScript, a statement is a single instruction that tells the browser what to do. Statements can be grouped together in blocks, which are enclosed in curly braces {}.
There are many different types of JavaScript statements, including:
- Assignment statements: Assign a value to a variable.
- Arithmetic statements: Perform mathematical operations on values.
- Comparison statements: Compare two values and return a Boolean value.
- Logical statements: Combine Boolean values using logical operators.
- Control flow statements: Change the flow of execution of the program.
- Function statements: Define a function.
- Object statements: Create an object.
- Array statements: Create an array.
- String statements: Create a string.
- Comment statements: Provide comments in your code.
Statements are executed in the order they appear in the code. If a statement contains an error, the browser will stop executing the code and display an error message.
Here is an example of a JavaScript statement:
Code snippet
var myVar = 10;
This statement assigns the value 10 to the variable myVar.
Here is an example of a JavaScript block:
Code snippet
{
var myVar = 10;
console.log(myVar);
}
This block of code assigns the value 10 to the variable myVar and then logs the value of myVar to the console.
I hope this helps! Let me know if you have any other questions.