JavaScript 中标准化自定义异常信息。
sample:
1
String.prototype.toChinese = function(){
2
if(isNaN(this)) throw({description:"非法数字!",number:-1,toString:function(){ return this.description}});
3
var chinese = "零壹贰叁肆伍陆柒捌玖";
4 return this.replace(/[0-9]/g,function($1){
5 return chinese.charAt($1);
6
});
7
}
8
9try{
10 alert("123456789s1234".toChinese());
11}catch(e){
12 alert("e: " + e + "\ndescription: " + e.description + "\nnumber: " + e.number);
13}
String.prototype.toChinese = function(){
2
if(isNaN(this)) throw({description:"非法数字!",number:-1,toString:function(){ return this.description}});
3
var chinese = "零壹贰叁肆伍陆柒捌玖";4
return this.replace(/[0-9]/g,function($1){5
return chinese.charAt($1);6
});7
}8
9
try{10
alert("123456789s1234".toChinese());11
}catch(e){12
alert("e: " + e + "\ndescription: " + e.description + "\nnumber: " + e.number);13
}