js url.slice(star,end) url.lastIndexOf('/') + 1, -4


var url = '"http://60.195.252.25:15518/20151228/XXSX/作三角形的高.mp4")'
document.title = url.slice(url.lastIndexOf('/') + 1, -4);

原文地址:https://www.cnblogs.com/hofmann/p/5237889.html