var url = document.location.toString();
var arrUrl = url.split("?");
var = arrUrl to [1];
substr (a, b), a start is taken from several, b is the intercept length
var A = para.substr (3, 10);
console.log (a);
var url = document.location.toString();
var arrUrl = url.split("?");
var = arrUrl to [1];
substr (a, b), a start is taken from several, b is the intercept length
var A = para.substr (3, 10);
console.log (a);