<!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title></title> </head> <body> <div id="dd"> <input type="button" onclick="aaa(\'aaa\')" value="click1" /> </div> </body> </html> <script> document.getElementById("dd").innerHTML += \'<input type="button" onclick="aaa(\\'bbb\\')" value="click2" />\'; function aaa(param) { alert(param); } </script>