multiple parameters in javascript function code example
Example 1: javascript function variable arguments
function foo() {
for (var i = 0; i < arguments.length; i++) {
console.log(arguments[i]);
}
}
foo(1,2,3);
//1
//2
//3
Example 2: javascript function multiple parameters
function sum(...values) {
console.log(values);
}
sum(1);
sum(1, 2);
sum(1, 2, 3);
sum(1, 2, 3, 4);
function sum(...values) {
let sum = 0;
for (let i = 0; i < values.length; i++) {
sum += values[i];
}
return sum;
}
console.log(sum(1)); //1
console.log(sum(1, 2)); //3
console.log(sum(1, 2, 3)); // 5
console.log(sum(1, 2, 3, 4)); //10
Example 3: javascript function multiple return
function doubleEachElement(num1, num2) {
return [num1 * 2, num2 * 2];
}
const [a, b] = doubleEachElement(68, 100);