如何将alert弹框插件改写为长尾词？

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“原生JavaScript实现简单的弹框插件（部分）：javascript(function(window, document) { 'use strict'; var win=window; var doc=document; var utils; function Utils() { this.overlayClass='bean-panel'; this.box=null; this.textTemplate={ text: 'It is OK!' }; }})(window, document);

原生js实现简单的弹框插件

(function (window, document) { 'use strict'; var win = window; var doc = document; var utils; function Utils() { this.overlayClass = 'bean-panel'; this.box = null; this.textTemplate = { text: 'It is OK!', confirmButtonText: '确定', confirmButtonColor: '#FF5D3D', cancelButtonText: '取消', cancelButtonColor: '#CECECE', showCancelButton: false }; } Utils.prototype = { // 初始化DOM节点 init: function () { var temp = '' + ' ' + ' ' + '

' + this.textTemplate.text + '

' + ' ' + ' ' + this.textTemplate.cancelButtonText + '' + ' ' + this.textTemplate.confirmButtonText + '' + ' ' + ' '; return temp; }, getChild: function (opt) { var box = document.createElement('div'); var _this = this; box.className = this.overlayClass; this.textTemplate.text = opt.text || this.textTemplate.text; this.textTemplate.confirmButtonText = opt.confirmButtonText || this.textTemplate.confirmButtonText; this.textTemplate.cancelButtonText = opt.cancelButtonText || this.textTemplate.cancelButtonText; this.textTemplate.cancelButtonColor = opt.cancelButtonColor || this.textTemplate.cancelButtonColor; box.innerHTML = this.init(); this.box = box; document.body.appendChild(this.box); }, alert: function (opt) { var btns = null; var _this = this; this.getChild(opt); btns = doc.getElementsByClassName('btn-footer-ok'); if (opt.showCancelButton) { btns[0].style.display = 'inline-block'; btns[0].style.marginRight = '.2rem'; btns[0].onclick = function () { if (opt.onCancel) { opt.onCancel(); } _this.removeBox(); }; } else { btns[0].style.display = 'none'; btns[1].style.width = '4.8rem'; } btns[1].onclick = function () { if (opt.onConfirm) { opt.onConfirm(); } _this.removeBox(); }; }, extend: function (a, b) { var az = a; Object.keys(b).forEach(function (key) { az[key] = b[key]; }); return az; }, removeBox: function () { var box = document.getElementsByClassName(this.overlayClass); document.body.removeChild(box[box.length - 1]); } }; utils = new Utils(); function BeanAlert(obj, callback) { var pars = obj || utils.textTemplate; if (callback) { pars.onConfirm = callback; } if (this instanceof BeanAlert) { this.params = pars; } else { utils.alert(pars); } } BeanAlert.prototype.show = function () { utils.alert(this.params); }; if (typeof exports === 'object') { module.exports = BeanAlert; } else { win.beanAlert = BeanAlert; } }(window, document));