Error
2018-07-22 本文已影响21人
小母鸡叽叽叽
- Syntax 语法
new Error([message [, filename [, lineNumber]]])
- Error types 错误类型(8种)
- Properties 属性
Error.propotype.name
Error.prototype.message
- demo
try{
throw new Error('something is wrong')
}catch(error){
console.log(e.name) // Error
console.log(e.message) // something is wrong
}
try {
foo.bar();
} catch (e) {
console.log(e instanceof ReferenceError) // true
console.log(e.name) // ReferenceError
}