let string = "My name is Shumail";
let toBeRemove = "Shumail";
string = string.replace(tobeRemove,'');
var string = "data-123";
string = string.replace('data-','');
alert(string)
var str = "test_23";
alert(str.split("_").pop());
// -> 23
alert(str.split("_").shift());
// -> test
var str2 = "adifferenttest_153";
alert(str2.split("_").pop());
// -> 153