forked from d4software/QueryTree
-
Notifications
You must be signed in to change notification settings - Fork 0
Expand file tree
/
Copy pathpolyfills.js
More file actions
36 lines (35 loc) · 1.05 KB
/
polyfills.js
File metadata and controls
36 lines (35 loc) · 1.05 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
if (!Array.prototype.find) {
Array.prototype.find = function (predicate) {
if (this === null) {
throw new TypeError('Array.prototype.find called on null or undefined');
}
if (typeof predicate !== 'function') {
throw new TypeError('predicate must be a function');
}
var list = Object(this);
var length = list.length >>> 0;
var thisArg = arguments[1];
var value;
for (var i = 0; i < length; i++) {
value = list[i];
if (predicate.call(thisArg, value, i, list)) {
return value;
}
}
return undefined;
};
}
Array.prototype.move = function (old_index, new_index) {
if (new_index >= this.length) {
var k = new_index - this.length;
while ((k--) + 1) {
this.push(undefined);
}
}
var val = this.splice(old_index, 1)[0];
if (new_index > old_index) {
new_index--;
}
this.splice(new_index, 0, val);
return this; // for testing purposes
};