语法错误：在严格模式代码中无法定义或分配 'arguments'/'eval'

¥Message

SyntaxError: Unexpected eval or arguments in strict mode (V8-based)
SyntaxError: 'arguments' can't be defined or assigned to in strict mode code (Firefox)
SyntaxError: Cannot modify 'arguments' in strict mode. (Safari)
SyntaxError: Cannot destructure to a parameter name 'arguments' in strict mode. (Safari)
SyntaxError: Cannot declare a variable named arguments in strict mode. (Safari)
SyntaxError: Cannot declare a catch variable named 'arguments' in strict mode. (Safari)
SyntaxError: 'arguments' is not a valid function name in strict mode. (Safari)

¥Error type

¥What went wrong?

在严格模式下，名称 arguments 和 eval 的行为就像它们是 保留字 一样：你不能让它们引用函数中的 arguments 对象或全局 eval 函数以外的任何东西。

¥In strict mode, the names arguments and eval behave as if they are reserved words: you cannot make they refer to anything other than the arguments object in functions or the global eval function.

¥Examples

¥Invalid cases

"use strict";

const arguments = [1, 2, 3];
console.log(Math.max(...arguments));

function foo(...arguments) {
  console.log(arguments);
}

¥Valid cases

"use strict";

const args = [1, 2, 3];
console.log(Math.max(...args));

function foo(...args) {
  console.log(args);
}

¥See also

• 严格模式
• arguments
• eval()