javascript iffe code example

Example 1: javascript Immediately Invoked Function Expression

result = (function(a, b){
    return a - b;
})(100, 42);

console.log(result); // 58

Example 2: immediately invoked function expression

(function () {
    statements
})();

Example 3: iife

/*An IIFE (Immediately Invoked Function Expression) is a JavaScript 
function that runs as soon as it is defined
*/

(function () {
        //write your js code here
});