File size: 2,138 Bytes
4b876a7 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 | ;(function() {
/*
Confirm message on reload or go back from site
*/
var myEvent = window.attachEvent || window.addEventListener;
var chkevent = window.attachEvent ? 'onbeforeunload' : 'beforeunload'; /// make IE7, IE8 compatable
myEvent(chkevent, function(e) { // For >=IE7, Chrome, Firefox
var confirmationMessage = ' If you continue you will lose all unsaved information!'; // a space
(e || window.event).returnValue = confirmationMessage;
return confirmationMessage;
});
/*
Compare two arrays
*/
Array.prototype.diff = function(a) {
return this.filter(function(i) {return a.indexOf(i) < 0;});
};
Array.prototype.diffInvers = function(a) {
return this.filter(function(i) {return a.indexOf(i) >= 0;});
};
Object.defineProperty(Array.prototype, 'diff', { enumerable: false });
Object.defineProperty(Array.prototype, 'diffInvers', { enumerable: false });
/*
Sorting array
*/
function dynamicSort(property) {
var sortOrder = 1;
if(property[0] === "-") {
sortOrder = -1;
property = property.substr(1);
}
return function (a,b) {
var result = (a[property] < b[property]) ? -1 : (a[property] > b[property]) ? 1 : 0;
return result * sortOrder;
}
}
Object.defineProperty(Array.prototype, "sortBy", {
enumerable: false,
writable: true,
value: function() {
return this.sort(dynamicSort.apply(null, arguments));
}
});
/*
Shuffle array
*/
Array.prototype.shuffle = function (array) {
var currentIndex = array.length, temporaryValue, randomIndex ;
// While there remain elements to shuffle...
while (0 !== currentIndex) {
// Pick a remaining element...
randomIndex = Math.floor(Math.random() * currentIndex);
currentIndex -= 1;
// And swap it with the current element.
temporaryValue = array[currentIndex];
array[currentIndex] = array[randomIndex];
array[randomIndex] = temporaryValue;
}
return array;
};
Object.defineProperty(Array.prototype, 'shuffle', { enumerable: false });
})(); |