catch,try,throw测试
<script> try{ /*直接抛出错误*/ throw 1234 //throw new TypeError("fafafa"); //throw new RangeError("fafafa"); /*产生错误*/ //var items = new Array(-10); //var items = new eval(); //alert(z) //eval("a ++ b") } catch(error){ alert(error) //alert("ErrorType: " + error.name + " Error: " + error.message) } finally { /*不管怎样都会执行*/ //alert("ddada") } </script>