Typescript Conditional Statements

Level : Intermediate
Mentor: Shailendra Chauhan
Duration : 00:00:01

If Statement:

The "if" statement in TypeScript is a fundamental conditional statement that allows you to execute a block of code if a specified condition is true.

Example:

const age = 18;
if (age >= 18) {
    console.log("You are eligible to vote.");
}

If..Else Statement:

The "if..else" statement in TypeScript extends the basic "if" statement by providing an alternative block of code to execute if the condition is false.

Example:

const isRaining = true;
if (isRaining) {
    console.log("Don't forget your umbrella!");
} else {
    console.log("No need for an umbrella today.");
} 

If-Else-If Statement (or ladder):

The "if-else-if" statement in TypeScript allows you to test multiple conditions in sequence and execute different blocks of code based on the first true condition encountered.

Example:

const score = 75;
if (score >= 90) {
    console.log("You got an A.");
} else if (score >= 80) {
    console.log("You got a B.");
} else if (score >= 70) {
    console.log("You got a C.");
} else {
    console.log("You need to improve your score.");
}

Switch Statement:

The "switch" statement in TypeScript is used to perform different actions based on different conditions. It provides a way to simplify multiple "if-else" conditions when you have a value to compare against.

Example:

const dayOfWeek = "Monday";
switch (dayOfWeek) {
    case "Monday":
        console.log("It's the start of the workweek.");
        break;
    case "Friday":
        console.log("It's almost the weekend!");
        break;
    default:
        console.log("It's just another day.");
}
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