Get range of the current week [Monday-Sunday]

getWeek.js

/* Based on: http://stackoverflow.com/a/8381494 */
/* Date proptotype extension */
Date.prototype.getWeek = function() {
    /* I get the current date and then shift it */
    var today = new Date(this.setHours(0, 0, 0, 0)); /* Current date */
    var dayOfWeek = today.getDay() - 1; /* It starts on Monday (Sunday by default) */
    var dayOfMonth = today.getDate() - dayOfWeek; /* ([1-31]) Beginning of the week */
    
    /* Get range */
    var start = new Date(today.setDate(dayOfMonth)); /* Monday */
    today.setHours(23, 59, 59, 59); /* Until the end of the day */
    var end = new Date(today.setDate(dayOfMonth + 6)); /* Sunday */
    
    /* Result as an object */
    return {
        start: start, 
        end: end 
    };
}