每天一個JavaScript執行個體-分割字串，javascript執行個體
//用逗號隔開字串成數組列印。<!doctype html><html lang="en"><head> <meta charset="utf-8"> <title>每天一個JavaScript執行個體-分割字串</title> <script> window.onload = function(){var keywordList = prompt("輸入字元，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>
使用split('')方法，用什麼字元分割就傳什麼參數，用空格就直接傳' '就可以了。
沒有任何字元就直接將字串分割。
比如字元 var a="abcdef"; var b=a.split('');則輸出b為 'a','b','c','d','e','f'
javascript 拆分一個字串
如果需要分割的字元都是這樣 前2位元字後兩位字母：var a ="15on";var b;var c;b = a.substring(0,2);c = a.substring(2);
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