noGlobalAssign

诊断类别：lint/suspicious/noGlobalAssign

¥Diagnostic Category: lint/suspicious/noGlobalAssign

JavaScript (and super languages)

自从：v1.5.0

¥Since: v1.5.0

来源：

¥Sources:

与以下相同：no-global-assign

¥Same as: no-global-assign

禁止分配给原生对象和只读全局变量。

¥Disallow assignments to native objects and read-only global variables.

_JavaScript 环境包含许多内置全局变量，例如浏览器中的 window 和 _Node.js 中的 process。为这些全局变量赋值可能会出现问题，因为它可能会覆盖基本功能。

¥_JavaScript environments contain numerous built-in global variables, such as window in browsers and process in _Node.js. Assigning values to these global variables can be problematic as it can override essential functionality.

示例

¥Examples

无效

¥Invalid

Object = null;

code-block.js:1:1 lint/suspicious/noGlobalAssign ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ✖ A global variable should not be reassigned.
  
  > 1 │ Object = null;
      │ ^^^^^^
    2 │ 
  
  ℹ Assigning to a global variable can override essential functionality.

window = {};

code-block.js:1:1 lint/suspicious/noGlobalAssign ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ✖ A global variable should not be reassigned.
  
  > 1 │ window = {};
      │ ^^^^^^
    2 │ 
  
  ℹ Assigning to a global variable can override essential functionality.

undefined = true;

code-block.js:1:1 lint/suspicious/noGlobalAssign ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━

  ✖ A global variable should not be reassigned.
  
  > 1 │ undefined = true;
      │ ^^^^^^^^^
    2 │ 
  
  ℹ Assigning to a global variable can override essential functionality.

有效

¥Valid

a = 0;

let window;
window = {};

noGlobalAssign

示例

无效

有效

相关链接