<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Document</title> </head> <body> <input type="button" id="submit" value="clickMe"> <select name="" id="select"> <option value="">option1</option> <option value="">option2</option> <option value="">option3</option> </select> </body> <script> var count1 = 0, count2 = 0; document.getElementById('submit').addEventListener('click',function(){ count1++; console.log("您已经点击button" + count1 + "次"); if(count1>1){ alert("button超出点击次数！") } }) document.getElementById('select').addEventListener('click',function(){ count2++; console.log("您已经点击select" + count2 + "次"); if(count2>8){ alert("select超出点击次数8！") } }) </script> </html>