//用逗號隔開字符串成數組打印。 <!doctype html> <html lang="en"> <head> <meta charset="utf-8"> <title>每天一個JavaScript實例-分割字符串</title> <script> window.onload = function(){ var keywordList = prompt("輸入字符，用","分開"); var arrayList = keywordList.split(",",2); console.log(arrayList); var resultString=""; for(var i = 0; i < arrayList.length;i++){ resultString+="keyword:" + arrayList[i] + "<br />"; } var aaa = document.getElementById("result"); aaa.innerHTML = resultString; } </script> </head> <body> <div id = "result"></div> </body> </html>