使用split函数,对字符串进行拆分操作.得到一个数组,实例代码如下:
- <html>
- <head>
- <SCRIPT Language="JavaScript">
- document.write("JavaScript second class<br>");
- var myArray = new Array();
- var str = "JavaScript,C,C++,Java,Visual Basic";
- var regex = /,/;
- myArray = str.split(regex);
- document.write("原字符串为:/'" + str + "/'<br>");
- document.write("分割后的数组为:<br>");
- for(i = 0; i<myArray.length; i++)
- {
- document.write(myArray[i]+"<br>");
- }
- var array = null;
- try
- {
- document.write(array[0]);
- }
- catch(e)
- {
- alert("Error name:"+e.name + "");
- alert("Error message:"+e.message);
- }
- finally
- {
- alert("对象为null");
- }
- </SCRIPT>
- </head>
- </html>