JavaScript Javascript的条件评论

Posted 2021-05-20

<script type="text/javascript">
/*@cc_on

  @if (@_jscript_version == 9)
    document.write("You are using IE9");

  @elif (@_jscript_version == 5.8)
    document.write("You are using IE8");
    
  @elif (@_jscript_version == 5.7 && window.XMLHttpRequest)
    document.write("You are using IE7");

  @elif (@_jscript_version == 5.6 || (@_jscript_version == 5.7 && !window.XMLHttpRequest))
    document.write("You are using IE6");

  @elif (@_jscript_version == 5.5)
    document.write("You are using IE5.5");

  @else
    document.write("You are using IE5 or older");

  @end

@*/
</script>