<button onclick="myFunction()">提交</button><script> function myFunction(){ var bust=E; if(bust==B){ alert('My breasts are small and self willed.'); } else if(bust==C||bust==D){ alert('The C cup D cup shouldn it be small.'); } else{ alert('You are a miracle'); } }</script>為什么沒有反應，求大神解答!