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- function extend() {
- var target = arguments[0]
- , i = 1;
- for (; i < arguments.length; ++i) {
- var options = arguments[i];
- for (var name in options) {
- if (options.hasOwnProperty(name)) {
- var src = options[name];
- if (src == target) { // избегаем ухода в вечную рекурсию
- continue;
- }
- if (isObject(src)) { // src != null && typeof src == 'object'
- var dst = new src.constructor();
- src = arguments.callee(dst, src);
- }
- target[name] = src;
- }
- }
- }
- return target;
- }
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