how to pass a parameter in javascript function code example

Example 1: javascript pass function as parameter

//passing a function as param and calling that function
function goToWork(myCallBackFunction) {
    //do some work here
    myCallBackFunction();
}

function refreshPage() {
    alert("I should be refreshing the page");
}

goToWork(refreshPage);

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: how to create a function with parameters in JavaScript

function name(param, param2, param3) {

}

Tags:

Misc Example

Related