remove last char of string nodejs code example

Example 1: js remove last character from string

let str = "Hello Worlds";
str = str.slice(0, -1);

Example 2: js remove last character from string

let str = "12345.00";
str = str.substring(0, str.length - 1);

Example 3: javascript remove last word from string

var str = "I want to remove the last word.";
var lastIndex = str.lastIndexOf(" ");

str = str.substring(0, lastIndex);