IE11 - Object doesn't support property or method 'includes'

IE不支持字符串的includes()方法；可以用indexOf()替换；

includes()方法返回true和false;

var str = "asdklmn"；

if(str.includes()){

}可用if(str.indexOf("dkl")>=0){

........

}替换；

 

转载于:https://www.cnblogs.com/xiao-lei/p/6308730.html