概述
返回跳转或打开到当前页面的那个页面的URI。
语法
var string = document.referrer;
备注
如果用户直接打开了这个页面(不是通过页面跳转,而是通过地址栏或者书签等打开的),则该属性为空字符串。由于该属性只是返回一个字符串,所以不能够通过该属性引用页面的 DOM。
返回跳转或打开到当前页面的那个页面的URI。
var string = document.referrer;
如果用户直接打开了这个页面(不是通过页面跳转,而是通过地址栏或者书签等打开的),则该属性为空字符串。由于该属性只是返回一个字符串,所以不能够通过该属性引用页面的 DOM。
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