function in function javascript code example

Example 1: functions in javascript

function name( parameter1 ,parameter 2,..)  //name signifies funcname
{
  
}

Example 2: function javascript

var x = myFunction(4, 3);     // Function is called, return value will end up in x

function myFunction(a, b) {
    return a * b;             // Function returns the product of a and b
}

Example 3: javascript function

function myFunc(theObject) {
  theObject.make = 'Toyota';
}

var mycar = {make: 'Honda', model: 'Accord', year: 1998};
var x, y;

x = mycar.make; // x gets the value "Honda"

myFunc(mycar);
y = mycar.make; // y gets the value "Toyota"
                // (the make property was changed by the function)

Example 4: js function

function name(parameter1, parameter2, parameter3) {
// what the function does
}

Example 5: js function

function myfunction() {
  console.log("function");
};

myfunction() //Should say "function" in the console.

function calculate(x, y, op) {
  var answer;
  if ( op = "add" ) {
    answer = x + y;
  };
  else if ( op = "sub" ) {
    answer = x - y;
  };
  else if ( op = "multi" ) {
    answer = x * y;
  };
  else if ( op = "divide" ) {
    answer = x / y;
  };
  else {
    answer = "Error";
  };
  return answer;
};

console.log(calculate(15, 3, "divide")); //Should say 5 in console.
//I hope I helped!

Example 6: how to use function in javascript

/* Declare function */
function myFunc(param) {
  // Statements 
}