The left-hand side of an assignment must be a variable,代码中使用了中文的字符

进行ajax测试,报这个错误,代码检测无误,然后就是查了相关文档

发现是符号错误,eclipse识别中文符号,就会报这个错误,而且eclipse的js里需要写冒号结尾,附个代码.

 1     <body>
 2     <font size="24px" color="red">当前时      间:${requestScope.nowStr}</font>
 3     <br />
 4     <input id="buttonID" type="button" value="点击这里实现" />
 5 
 6     <script type="text/javascript">
 7         function createAjax() {
 8             var ajax = null;
 9             try {
10                 ajax = new ActiveXObject("microsoft.xmlhttp");
11             } catch (e1) {
12                 try {
13                     ajax = new XMLHttpRequest();
14                 } catch (e2) {
15                     alert("换一个浏览器吧!");
16                 }
17             }
18             return ajax;
19         }
20     </script>
21 
22     <script type="text/javascript">
23         document.getElementById("buttonID").onclick = function() {
24             var ajax = createAjax();
25             if (ajax != null) {
26                 alert("succeess");
27             } else {
28                 alert("unsuccess");
29             }
30         };
31     </script>
32 </body>