how to delete last letter in string js code example

Example 1: javascript remove last character from string

var str = 'mystring';

// the character 'g' will be removed
str = str.slice(0, -1);

Example 2: how to delete the last part of a string in node js

str = "hello I'm McDown...";
newStr = str.substring(0, str.length - 3); // Returns "hello I'm McDown"