if (!n || isNaN(n))
•
类型 , 数字和字符串类型的
•
0当标志位时和null区分开
•
刷新图片直接在后面加上时间戳
var BASE_PATH = window.location.protocol+"//"+window.location.host+"/";
// BASE_PATH = "http://master.jkyby.com:8008/";
var SCREEN_W = window.screen.width;
var SCREEN_H = window.screen.height;areas.splice(areas.findIndex(a => a.id === delArea.id), 1);
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