delete last word of string javascript code example

Example 1: js remove last character from string

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

Example 2: javascript get last word in string

// strips all punctuation and returns the last word of a string
// hyphens (-) aren't stripped, add the hyphen to the regex to strip it as well
function lastWord(words) {
    let n = words.replace(/[\[\]?.,\/#!$%\^&\*;:{}=\\|_~()]/g, "").split(" ");
    return n[n.length - 1];
}