JavaScript Statements Reference

JavaScript Statements In HTML, JavaScript statements are “instructions” to be “executed” by the web browser. This statement tells the browser to write “Hello Dolly.” inside an HTML element with id=”demo”: Example document.getElementById(“demo”).innerHTML = “Hello Dolly.”; Try it Yourself » For a tutorial about Statements, read our JavaScript Statements Tutorial. JavaScript Statement Identifiers JavaScript statements often start with a statement […]

JavaScript Switch Statement

he switch statement is used to perform different actions based on different conditions. Switch Statement Use the switch statement to select one of many code blocks to be executed. Syntax switch(expression) { case n:         code block         break; case n:         code block         break; default: code block } This is how it works: The switch […]

JavaScript If…Else Statements

Conditional statements are used to perform different actions based on different conditions. Conditional Statements Very often when you write code, you want to perform different actions for different decisions. You can use conditional statements in your code to do this. In JavaScript we have the following conditional statements: Use if to specify a block of code to […]

JavaScript Statements

Example var x, y, z;    // Statement 1 x = 5;          // Statement 2 y = 6;          // Statement 3 z = x + y;      // Statement 4 Try it Yourself » JavaScript Programs A computer program is a list of “instructions” to be “executed” by a computer. In a programming language, these programming instructions are called statements. A JavaScript program is a list of programming statements. In […]