Programming with JavaScript

This a summary of what I have learned during the class and by reading this tutorial.

Expressions and Operators

 

The programming operation with JavaScript requires some tools to be done:

• Operators
• Expression

 

 

• Operators An operator performs some operation on single or multiple operands (data value) and produces a result. there are many types of Operators:
  1. Assignment operators
  2. Comparison operators
  3. Arithmetic operators
  4. Bitwise operators
  5. Logical operators
  6. String operators
  7. Conditional (ternary) operator
  8. Comma operator
  9. Unary operators
  10. Relational operators

 

• Expression an expression is a snippet of code that evaluates to a value.
  1. the Expression
  2. Arithmetic
  3. String
  4. Logical
  5. Primary expressions
  6. Left-hand-side expressions

 

Functions

A JavaScript function is a block of code we type within the main js code to perform a particular task. and it can be called anywhere in the code by its assigned name.

A function element are:

function name(parametes) {

 return //task//;

 }

 

 

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