幕双击放大或缩小。即相当于这样设置 <meta name="viewport" content="width=device-width, initial-scale=1.0 user-scalable=yes" /> 如果要禁止此情形，修改相应参数即可。 <meta content="width=device-width, initial-scale=1.0, maximum-scale=1.0, user-scalable=0;" name="viewport" />
双击防止网页放大缩小HTML5
转载于:https://www.cnblogs.com/win-and-first/p/3515279.html