废话不多说，直接上代码
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(function (window) {
var arr = [];
var VP = function (selector,context) {
return new VP.fn.init(selector,context);
}
VP.fn = VP.prototype = {
constructor: VP,init: function (selector,context) {
var _document = window.document,elem,mark = selector.charat(0);
if (mark == '#') {
elem = _document.getElementById(selector.substring(1));
if (elem) {
this[0] = elem;
this.length = 1;
}
}
return this;
},splice: arr.splice,};
VP.extend = VP.fn.extend = function () {
var options,name,src,copy,copyIsArray,clone,target = arguments[0] || {},i = 1,length = arguments.length,deep = false;
if (typeof target === "boolean") {
deep = target;
target = arguments[i] || {};
i++;
}
if (typeof target !== "object" && !VP.isFunction(target)) {
target = {};
}
if (i === length) {
target = this;
i--;
}
for (; i < length; i++) {
if ((options = arguments[i]) != null) {
for (name in options) {
src = target[name];
copy = options[name];
if (target === copy) {
continue;
}
if (deep && copy && (VP.isPlainObject(copy) ||
(copyIsArray = VP.isArray(copy)))) {
if (copyIsArray) {
copyIsArray = false;
clone = src && VP.isArray(src) ? src : [];
} else {
clone = src && VP.isPlainObject(src) ? src : {};
}
target[name] = VP.extend(deep,copy);
} else if (copy !== undefined) {
target[name] = copy;
}
}
}
}
return target;
};
VP.fn.extend({
get: function () {
return this[0];
},});
VP.fn.init.prototype = VP.fn;
window.VP = VP;
})(window);
以上这篇JQuery 获取Dom元素的实例讲解就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持编程之家。
