Обфускация JS.
var i = 350;
alert('LOL '+ i);
eval(function(p,a,c,k,e,d){e=function(c){return c};if(!''.replace(/^/,String)){while(c--){d[c]=k[c]||c}k=[function(e){return d[e]}];e=function(){return'\\w+'};c=1};while(c--){if(k[c]){p=p.replace(new RegExp('\\b'+e(c)+'\\b','g'),k[c])}}return p}('1 0=2;3(\'4 \'+0);',5,5,'i|var|350|alert|LOL'.split('|'),0,{}))