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Control Flow in JavaScript: If, Else, and Switch Explained

DEV Community·Abhishek sahni·about 1 month ago
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Understanding the control flow of a program is very important to understand the behaviour of code. This blog will help you understand control flow in JavaScript. What does control flow mean in programming? Control flow refers to the order in which statements in a program are executed, usually from top to bottom. However, in many cases, we need to skip or repeat certain parts of the program based on conditions. JavaScript provides control flow statements that allow us to control the execution of code and skip specific parts when needed. The if statement : The if statement is the most basic control flow statement. It simply checks whether a condition is true. If the condition is true, the code inside the if block runs; otherwise, the block is skipped. Example : let age = 18 ; if ( age >= 18 ) { console . log ( " You are eligible to vote " ); } Enter fullscreen mode Exit fullscreen mode In the above code, the condition is age >= 18 . The value of age is 18.…

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