JSFiddle - React, Tailwind, and code Playground

by roberkules

JavaScript

var chkName = /\s/;

function check(name) {
    
    document.write("<br />" + name + " is ");
    
    if (!chkName.test(name)) {
        document.write("okay");
    } else {
        document.write("invalid");
    }
    
}

check("namevaluegoeshere");

check("name value goes here");