[笔记]js问题汇总

版权声明：文人萧扬_ https://blog.csdn.net/ILoveZhc/article/details/82497761

1.js中将字符串类型转换为数字类型进行计算

链接:https://jingyan.baidu.com/article/c35dbcb0a28d758916fcbcfb.html

2.提升css的优先级

链接:https://blog.csdn.net/m0_38099607/article/details/72860779

3.js获取项目根路径

 // 获取当前网址：http://localhost:8080/usermanager/pub/wshtml.jsp
    var curPath = window.document.location.href;
    // 获取主机后的目录：/usermanager/pub/wshtml.jsp
    var pathName = window.document.location.pathname;
    var pos=curWwwPath.indexOf(pathName);
    // 获取主机地址：http://localhost:8080
    var localhostPaht=curWwwPath.substring(0,pos);
    // 获取带“/”的项目名
    var projectName=pathName.substring(0,pathName.substr(1).indexOf('/')+1);