![]() The simplest type of if else statement has no “else” at all - it describes what happens when a condition is met without providing any alternatives. An if else statement always starts with the reserved word “if” followed by a condition that must be met. ![]() Javascript if else statements use reserved words and specific structures to control what happens in a program when a condition is met. Overview of Javascript If-Else Statements This article describes what if else statements are and goes over some best practices for using them well in Javascript programs. ![]() You can think of it as a way to insert cause and effect into your programming, creating a logical flow of actions. Putting one if statement inside another if statement is called nesting.The Javascript if else statement, also known as an if statement, has been a core feature of the language for decades. See the Pen javascript-common-editor by w3resource ( on CodePen. with following condition : Ī+ (marks>=90) : A (marks>=80 and marks=70 and marks=60 Here the if else statement check whether the input marks is greater than 50 or not.Ĭonsole.log('Marks is greater than 50.') Ĭonsole.log('Marks is less than or equal to 50.') In the following example if else statement check whether an input marks is greater than 50 or not. Use the optional else clause to execute another group of statements. There are two conditional statements in JavaScript : if.else and switch.Įxecutes a group of statements if a logical condition is true. A conditional statement is a set of commands and the commands execute if a specified condition is true.
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