ife in javascript code example

Example 1: immediately invoked function expression

(function () {
    statements
})();

Example 2: immediately invoked function expression

(function () {
    var aName = "Barry";
})();
// Variable aName is not accessible from the outside scope
aName // throws "Uncaught ReferenceError: aName is not defined"

Example 3: using if statements in javascript

if (expression) {
   Statement(s) to be executed if expression is true
} else {
   Statement(s) to be executed if expression is false
}