remove end of string starting from character js code example

Example 1: how to remove lasr char from string in javascript

str=str.slice(0, -1);

Example 2: remove first and last character from string javascript

var yourString = "/installers/services/";

var result = yourString.slice(1,-1);

Example 3: js omit last string

"somestring0".slice(0, -1)
// "somestring"