es5.js
1.5 KB
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
// Starting with ProtoBuf.js 4.X we are no longer bundling any ES5 polyfills with the library.
// It is now up to the user to provide these as needed. For reference, this is what we use:
// ref: https://developer.mozilla.org/de/docs/JavaScript/Reference/Global_Objects/Object/create
if (!Object.create)
/** @expose */
Object.create = function (o) {
if (arguments.length > 1)
throw Error('illegal number of arguments');
function F() {}
F.prototype = o;
return new F();
};
// ref: https://developer.mozilla.org/de/docs/Web/JavaScript/Reference/Global_Objects/Array/isArray
if (!Array.isArray)
/** @expose */
Array.isArray = function(o) {
return Object.prototype.toString.call(o) === "[object Array]";
};
// ref: https://developer.mozilla.org/de/docs/Web/JavaScript/Reference/Global_Objects/Array/forEach
if (!Array.prototype.forEach)
/** @expose */
Array.prototype.forEach = function(callback, thisArg) {
var T, k;
if (this == null)
throw new TypeError('this is null or not defined');
var O = Object(this);
var len = O.length >>> 0;
if (typeof callback !== "function")
throw new TypeError(callback + ' is not a function');
if (arguments.length > 1)
T = thisArg;
k = 0;
while (k < len) {
var kValue;
if (k in O)
kValue = O[k],
callback.call(T, kValue, k, O);
k++;
}
};