remove last alpgabet from word javascript code example

Example 1: remove last word from string javascript

var myString = "I want to remove the last word";
var mySplitResult = myString.split(" ");
var lastWord =  mySplitResult[mySplitResult.length-1]

Example 2: javascript remove last word from string

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

str = str.substring(0, lastIndex);