for all in javascript code example

Example 1: loop an object in javascript

var p = {
    "p1": "value1",
    "p2": "value2",
    "p3": "value3"
};

for (var key in p) {
    if (p.hasOwnProperty(key)) {
        console.log(key + " -> " + p[key]);
    }
}

Example 2: every element in list after first javascript

var middlePoints = ['A', 'B', 'C', 'D'];
middlePoints.shift();

console.log(middlePoints); //['B', 'C', 'D']