// 1. Syntax Error: 語法錯誤
// 1.1 變量名不符合規(guī)范
var 1       // Uncaught SyntaxError: Unexpected number
var 1a       // Uncaught SyntaxError: Invalid or unexpected token
// 1.2 給關鍵字賦值
function = 5     // Uncaught SyntaxError: Unexpected token = 

// 2.1 引用了不存在的變量
a()       // Uncaught ReferenceError: a is not defined
console.log(b)     // Uncaught ReferenceError: b is not defined
// 2.2 給一個無法被賦值的對象賦值
console.log("abc") = 1   // Uncaught ReferenceError: Invalid left-hand side in assignment

// 3.1 數(shù)組長度為負數(shù)
[].length = -5      // Uncaught RangeError: Invalid array length
// 3.2 Number對象的方法參數(shù)超出范圍
var num = new Number(12.34)
console.log(num.toFixed(-1))   // Uncaught RangeError: toFixed() digits argument must be between 0 and 20 at Number.toFixed
// 說明: toFixed方法的作用是將數(shù)字四舍五入為指定小數(shù)位數(shù)的數(shù)字,參數(shù)是小數(shù)點后的位數(shù),范圍為0-20.

// 4.1 調(diào)用不存在的方法
123()        // Uncaught TypeError: 123 is not a function
var o = {}
o.run()        // Uncaught TypeError: o.run is not a function
// 4.2 new關鍵字后接基本類型
var p = new 456      // Uncaught TypeError: 456 is not a constructor

decodeURI("%")     // Uncaught URIError: URI malformed at decodeURI

var myEval = eval;
myEval("alert('call eval')");

new Error([message[,fileName[,lineNumber]]])，