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                ??碼云GVP開源項目 12k star Uniapp+ElementUI 功能強大 支持多語言、二開方便! 廣告
                `jQuery`是一個class `$('p')`是一個jQuery實例 ``` class jQuery { constructor(selector) { let slice = Array.prototype.slice let dom = slice.call(document.querySelectorAll(selector)) let len = dom ? dom.length : 0 for (let i = 0; i < len; i++) { this[i] = dom[i] } this.length = len this.selector = selector || '' } append(node) {} addClass(name) {} html(data) {} } window.$ = function (selector) { // 工廠模式 return new jQuery(selector) } ```
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