项目中使用ECMAScript6的时候经查会使用语法检查，下面是常见错误信息的汇总：
1 “Missing semicolon.” : “缺少分号.”, 2 “Use the function form of ”use strict”.” : “使用标准化定义function.”, 3 “Unexpected space after ‘-’.” : “在’-'后面不应出现空格.”, 4 “Expected a JSON value.” : “请传入一个json的值.”, 5 “Mixed spaces and tabs.”: “空格和TAB重复.”, 6 “Unsafe character.” : “不安全的字符.”, 7 “Line too long.”: “本行中的字符超过设定的最大长度.”, 8 “Trailing whitespace.”: “本行末尾有过多无用空格.”, 9 “Script URL.” : “脚本URL.”, 10 “Unexpected {a} in ‘{b}’.” : “在 ‘{b}’ 中不该出现 {a}.”, 11 “Unexpected ‘{a}’.” : “不该在此出现’{a}’.”, 12 “Strings must use doublequote.” : “字符串需要用双引号”, 13 “Unnecessary escapement.” : “不需要转义”, 14 “Control character in string: {a}.” : “在字符串中出现了Control的字符”, 15 “Avoid \’.” : “避免 \”, 16 “Avoid \v.” : “避免 \v”, 17 “Avoid \x-.” : “避免 \x-”, 18 “Bad escapement.” : “错误的转义字符”, 19 “Bad number ‘{a}’.” : “错误的数字 ‘{a}’”, 20 “Missing space after ‘{a}’.” : “在’{a}’之后缺少空格”, 21 “Don’t use extra leading zeros ‘{a}’.” : “不要再’{a}’的前面用多余的0″, 22 “Avoid 0x-. ‘{a}’.” : “避免使用 0x-. ‘{a}’.”, 23 “A trailing decimal point can be confused with a dot ‘{a}’.” : “在’{a}’中使用点尾随小数点”, 24 “Unexpected comment.” : “不该在此处出现注释”, 25 “Unescaped ‘{a}’.” : “没有转义 ‘{a}’”, 26 “Unexpected control character in regular expression.” : “在正则表达式中出现了control字符”, 27 “Unexpected escaped character ‘{a}’ in regular expression.” : “在正则表达式中出现了没有转义的字符 ‘{a}’”, 28 “Expected ‘{a}’ and instead saw ‘{b}’.” : “应该用 ‘{a}’代替’{b}’”, 29 “Spaces are hard to count. Use {{a}}.” : “空格难以统计，请使用 {{a}}”, 30 “Insecure ‘{a}’.” : “不安全的 ‘{a}’”, 31 “Empty class.” : “空的class”, 32 “Expected a number and instead saw ‘{a}’.”:“应该用数字代替’{a}’”, 33 “‘{a}’ should not be greater than ‘{b}’.”:“‘{a}’不应该比’{b}’大”, 34 “‘hasOwnProperty’ is a really bad name.”: “‘hasOwnProperty’是关键字”, 35 “‘{a}’ was used before it was defined.”:“‘{a}’未定义就已经使用了.”, 36 “‘{a}’ is already defined.”:“‘{a}’被重复定义”, 37 “A dot following a number can be confused with a decimal point.”:“数字后面的一个点会被误认为是十进制的小数点”, 38 “Confusing minusses” : “容易混淆的负数表达-”, 39 “Confusing plusses.” : “容易混淆的正数表达+”, 40 “Unmatched ‘{a}’.” : “无法匹配的’{a}’”, 41 “Expected ‘{a}’ to match ‘{b}’ from line {c} and instead saw ‘{d}’.”:“在行{c}中需要用’{a}’和’{b}’匹配，用来代替’{d}’”, 42 “Unexpected early end of program.”:“程序不可预期的提前终止”, 43 “A leading decimal point can be confused with a dot: ‘.{a}’.”:“‘{a}’前的点容易混淆成小数点”, 44 “Use the array literal notation [].”:“使用数组的符号 []“, 45 “Expected an operator and instead saw ‘{a}’.”:“需要用一个符号来代替’{a}’”, 46 “Unexpected space after ‘{a}’.”:“在’{a}’之后不能出现空格”, 47 “Unexpected space before ‘{a}’.”:“在’{a}’之前不能出现空格”, 48 “Bad line breaking before ‘{a}’.”:“在’{a}’之前错误的换行”, 49 “Expected ‘{a}’ to have an indentation at {b} instead at {c}.”:“‘{a}’需要在{c}而不是{b}处缩进”, 50 “Line breaking error ‘{a}’.”:“换行错误 ‘{a}’”, 51 “Unexpected use of ‘{a}’.”:“此处不能用’{a}’”, 52 “Bad operand.”:“错误的操作数”, 53 “Use the isNaN function to compare with NaN.”:“使用isNaN来与NaN比较”, 54 “Confusing use of ‘{a}’.”:“容易混淆的’{a}’的使用”, 55 “Read only.”:“只读的属性”, 56 “‘{a}’ is a function.”:“‘{a}’是一个函数”, 57 ‘Bad assignment.’:“错误的赋值”, 58 “Do not assign to the exception parameter.”:“不要给额外的参数赋值”, 59 “Expected an identifier in an assignment and instead saw a function invocation.”:“在赋值的语句中需要有一个标识符，而不是一个方法的调用”, 60 “Expected an identifier and instead saw ‘{a}’ (a reserved word).”:“需要有一个标识符，而不是’{a}’(保留字符)”, 61 “Missing name in function declaration.”:“在方法声明中缺少名称”, 62 “Expected an identifier and instead saw ‘{a}’.”:“需要有一个标识符，而不是’{a}’”, 63 “Inner functions should be listed at the top of the outer function.”:“内部函数的声明应该放在此函数的顶部。”, 64 “Unreachable ‘{a}’ after ‘{b}’.”:“在’{b}’之后无法获取’{a}’”, 65 “Unnecessary semicolon.”:“不必要的分号”, 66 “Label ‘{a}’ on {b} statement.”:“将’{a}’放在{b}的声明中”, 67 “Label ‘{a}’ looks like a javascript url.”:“‘{a}’看上去像一个js的链接”, 68 “Expected an assignment or function call and instead saw an expression”:“需要一个赋值或者一个函数调用，而不是一个表达式.”, 69 “Do not use ‘new’ for side effects.”:“不要用’new’语句.”, 70 “Unnecessary ”use strict”.”:“不必要的”use strict”.”, 71 “Missing ”use strict” statement.”:“缺少”use strict”的声明”, 72 “Empty block.”:“空的模块”, 73 “Unexpected /*member ‘{a}’.”:“不应出现 /*元素 ‘{a}’.”, 74 “‘{a}’ is a statement label.”:“‘{a}’是一个声明”, 75 “‘{a}’ used out of scope.”:“‘{a}’使用超出范围”, 76 “‘{a}’ is not allowed.”:“不允许使用’{a}’”, 77 “‘{a}’ is not defined.”:“‘{a}’没有被定义”, 78 “Use ‘{a}’ to compare with ‘{b}’.”:“使用’{a}’与’{b}’相比”, 79 “Variables should not be deleted.”:“变量需要被删除”, 80 “Use the object literal notation {}.”:“使用对象的文字符号 {}”, 81 “Do not use {a} as a constructor.”:“不要使用{a}作为一个构造对象”, 82 “The Function constructor is eval.”:“The Function constructor is eval.”, 83 “A constructor name should start with an uppercase letter.”:“一个构造对象的名称必须用大写字母开头.”, 84 “Bad constructor.”:“错误的构造对象”, 85 “Weird construction. Delete ‘new’.”:“构造对象有误，请删除’new’”, 86 “Missing ‘()’ invoking a constructor.”:“缺少括号()”, 87 “Avoid arguments.{a}.”:“避免参数.{a}.”, 88 “document.write can be a form of eval.”:“document.write是eval的一种形式”, 89 ‘eval is evil.’:“尽量不要使用eval”, 90 “Math is not a function.”:“Math不是一个函数”, 91 “Missing ‘new’ prefix when invoking a constructor.”:“此处缺少了’new’”, 92 “Missing radix parameter.”:“缺少参数”, 93 “Implied eval is evil. Pass a function instead of a string.”:“传递一个函数，而不是一个字符串”, 94 “Bad invocation.”:“错误的调用”, 95 “['{a}'] is better written in dot notation.”:“['{a}']最好用点.的方式”, 96 “Extra comma.”:“多余的逗号”, 97 “Don’t make functions within a loop.”:“不要用循环的方式创建函数”, 98 “Unexpected parameter ‘{a}’ in get {b} function.”:“在{b}方法中不该用到参数’{a}’”, 99 “Duplicate member ‘{a}’.”:“重复的’{a}’”, 100 “Expected to see a statement and instead saw a block.”:“此处应该是语句声明.”, 101 “Too many var statements.”:“过多var的声明”, 102 “Redefinition of ‘{a}’.”:“‘{a}’被重复定义”, 103 “It is not necessary to initialize ‘{a}’ to ‘undefined’.”:“无需将’{a}’初始化为’undefined’”, 104 “Expected a conditional expression and instead saw an assignment.”:“此处需要一个表达式，而不是赋值语句”, 105 “Expected a ‘break’ statement before ‘case’.”:“在’case’之前需要有’break’.”, 106 “Expected a ‘break’ statement before ‘default’.”:“在’default’之前需要有’break’.”, 107 “This ‘switch’ should be an ‘if’.”:“此处’switch’应该是’if’.”, 108 “All ‘debugger’ statements should be removed.”:“请删除’debugger’的语句”, 109 “‘{a}’ is not a statement label.”:“‘{a}’不是一个声明标签.”, 110 “Expected an assignment or function call and instead saw an expression.”:“需要一个语句或者一个函数调用，而不是一个表达式”, 111 “Function declarations should not be placed in blocks. Use a function expression or move the statement to the top of the outer function.”:“函数的声明不能放在类似if的块中，需要放在外部函数的顶部.”
以上内容节选自携程设计委员会