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function formatDate(date) { var d = new Date(date), month = ” + (d.getMonth() + 1), day = ” + d.getDate(), year = d.getFullYear();if (month.length < 2) month = ‘0’ + month; if (day

//图片加载完成后获取图片实际宽高 var _test = document.getElementById(“test”); test.onload = function(){ imgSize.call(_test); } function imgSize(){ var imgObj = new Image(); imgObj.src = this.src; aler

提供代码直接使用function MyPromise(fn) { this.value; this.status = 'pending'; this.resolveFunc = function() {}; this.rejectFunc = function() {}; fn(this.resolve.bind(this), this.reject.bind(this...