How to Write Functions in JavaScript?
Debugging functions involves identifying errors and unexpected behavior in your code. Utilize browser developer tools and console.log statements to isolate issues:
function divide(a, b) {
if (b === 0) {
console.error("Cannot divide by zero!");
return;
}
return a / b;
}
Functions contribute to modular code by promoting reusability. Break down complex tasks into smaller functions, making your code easier to manage and understand:
function calculateTotal(products) {
let total = 0;
products.forEach(product => {
total += product.price;
});
return total;
}
Frequently Asked Questions
How do I pass a function as an argument to another function?
Passing functions as arguments allows for dynamic behavior. Here’s an example:
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