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JavaScript if else statement | Basic code

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Using JavaScript if else statement you can decision maker program. The if statement executes a statement if a specified condition is truthy. If the condition is falsy, else statement will execute.

if (condition) {
} else {

The else statement to specify a block of code to be executed if the condition is false.

JavaScript if else

Simple example code check if the number is positive or negative/zero. Example shows the control statement that allows JavaScript to execute statements in a more controlled way.

<!DOCTYPE html>

    const number = prompt("Enter a number: ");

    if (number > 0) {
      console.log("The number is positive");

    else {
      console.log("The number is either a negative number or 0");

    console.log("The if...else statement");



JavaScript if else statement

Multiple if...else statements can be nested to create an else if clause.

if (condition1)
else if (condition2)
else if (condition3)

Do comment if you have any doubts or suggestions on this JS if else topic.

Note: The All JS Examples codes are tested on the Firefox browser and the Chrome browser.

OS: Windows 10

Code: HTML 5 Version

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