JavaScript vérifie si le navigateur prend en charge Flash et le programme publie le résultat:
<Script> fonction flashchecker () {var hasflash = 0; // est flash var flashversion = 0 installé; // Version flash if (document.all) {var swf = new activeXObject ('Shockwaveflash.shockwaveflash'); if (swf) {Hasflash = 1; Vswf = swf.getVariable ("$ version"); FlashVersion = paSeInt (vswf.split ("") [1] .split (",") [0]); }} else {if (navigator.plugins && navigator.plugins.length> 0) {var swf = navigator.plugins ["Shockwave flash"]; if (swf) {Hasflash = 1; var words = swf.description.split (""); for (var i = 0; i <words.length; ++ i) {if (isnan (parseInt (mots [i]))) continue; FlashVersion = paSeInt (mots [i]); }}}} return {f: Hasflash, v: flashVersion}; } var fls = flashchecker (); var s = ""; if (flS.f) document.write ("vous avez installé Flash, la version flash actuelle est:" + flS.v + ".x"); else document.write ("vous n'avez pas installé Flash"); </cript>