1 greasemonkey replace function? 2  3 方法1：编写GM代码 4  5  6 alert("hello2"); 7  8 var mydiv =document.getElementById("myDIV"); 9 mydiv.innerHTML="Replaced!!";10 window.func =null;11 12 方法二：编写inject代码13 14 alert("hello2");15 16 function embed() {17     window.func = null;18   19     var mydiv =document.getElementById("myDIV");20     mydiv.innerHTML="Replaced!!";21 }22 23 24 var script = document.createElement(‘script‘); 25 script.type = "text/javascript"; 26 script.innerHTML = "(" + embed + ")()";27 document.getElementsByTagName(‘head‘)[0].appendChild(script);