Question

有没有办法检测这个引擎的javascript版本？在控制台和浏览器上

例如，我想知道

的一致性

/usr/bin/js
/usr/bin/node
/usr/bin/ringo
/usr/bin/rhino
/usr/bin/seed
/usr/bin/gjs 
and browsers i currently using, etc

他们是否兼容Javascript 1.8.5，或者他们有哪个版本的javascript

Answer 1

检查以下类似的情况。希望这有帮助

jQuery version compatibility detection

由于 AB

Answer 2

尝试使用以下脚本来了解Javascript版本

<script type="text/javascript">
  var jsver = 1.0;
</script>
<script language="Javascript1.1">
  jsver = 1.1;
</script>
<script language="Javascript1.2">
  jsver = 1.2;
</script>
<script language="Javascript1.3">
  jsver = 1.3;
</script>
<script language="Javascript1.4">
  jsver = 1.4;
</script>
<script language="Javascript1.5">
  jsver = 1.5;
</script>
<script language="Javascript1.6">
  jsver = 1.6;
</script>
<script language="Javascript1.7">
  jsver = 1.7;
</script>
<script language="Javascript1.8">
  jsver = 1.8;
</script>
<script language="Javascript1.9">
  jsver = 1.9;
</script>

<script type="text/javascript">
  alert(jsver);
</script>

检查此jsFiddle http://jsfiddle.net/Ac6CT/

由于

AB

如何使用javascript检测javascript版本一致性

2 个答案: