· Solutions: - Suppressing Version-Related Errors 、
<!-- Check whether JavaScript 1.2 is supported -->
<script language="JavaScript1.2">var _js12_ =1.2</script>
<!-- Now avoid the problems with JavaScript 1.2 on Netscape by running -->
<!-- the following code on any browser that supports JavaScript 1.1.If -->
<!-- the browser does not support JavaScript 1.2,however,we'll display -->
<!--an error message and suppress any syntax errors that occur.-->
<script language="JavaScript1.1">
// If JavaScript 1.2 is not supported,fail gracefully
function supressErrors(){return true;}
if(!!_js12_){
window.onerror =supressErrars;
alert("This program requires a browser with JavaScript 1.2 support");
3
//Now proceed with the JavaScript 1.2 code
</script>
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