remove from character to end of string javascript code example

Example 1: javascript remove period from end of string

// Single dot:
if (str[str.length-1] === ".")
    str = str.slice(0,-1);
// Multiple dots:
while (str[str.length-1] === ".")
    str = str.slice(0,-1);
// Single dot, regex:
str = str.replace(/\.$/, "");
// Multiple dots, regex:
str = str.replace(/\.+$/, "");

Example 2: Remove character from end of string javascript

let str = "12345.00";
str = str.slice(0, -1); 
console.log(str);