Basics of Programming
Syntax: The rules for valid formats and combinations (Grammar for computer languages)
Statement: A group of words, numbers and operators that perform a specific task
eg:
a = b * 2;
a, b: Variables: Symbolic placeholders for values or represents a value
2 : Literals: Standalone value without being held in a variable
= , *: Operators: Performs actions with literals and variables
; : End of statement
Statements are made up of one or more expressions.
Expressions: Reference to a variable or a collection of variables and values combined with operators
2: literal expression b: variable expression b 2: arithmetic expression a = b 2: assignment expression
b * 2;
is also a expression which does not have any effect on the program that is running.
alert(a); : is a call expression for running functions
It is a series of statements that make a computer program.