A JavaScript function is a block of code designed to perform a particular task.
A JavaScript function is executed when “something” invokes it (calls it).
Example
// Function to compute the product of p1 and p2
function myFunction(p1, p2) {
return p1 * p2;
}
JavaScript Function Syntax
A JavaScript function is defined with the function
keyword, followed by a name, followed by parentheses ().
Function names can contain letters, digits, underscores, and dollar signs (same rules as variables). Continue reading JavaScript Functions