JSFiddle - React, Tailwind, and code Playground

by BramVanroy

HTML

<textarea></textarea>

JavaScript

$("textarea").keyup(function() {
    var body = $("body"),
        val= $("textarea").val();
    
    if(val.indexOf("sneeuw") >= 0) {
        body.css("background", "url('http://wallpapers.leovacity.be/images/Sneeuw_bomen_wallpaper.jpg')");
    }
    else if(val.indexOf("zon") >= 0) {
        body.css("background", "url('http://4.bp.blogspot.com/-61a-UQDaLjY/TscS7yhLObI/AAAAAAAAAa0/iRrh7_vwZt4/s1600/sunshine-wallpaper-10-759118.jpg')");
    }
    else if(val.indexOf("regen") >= 0) {
        body.css("background", "url('http://wallpaperstate.org/wp-content/gallery/wallpaper_rain_11/wallpaper_8358.jpg')");
    }
    else {
        body.css("background", "none");
    }
});