在此页

• 句法
• 范例
• 规范
• 浏览器兼容性
• 相关话题

这是 实验性技术
检查 浏览器兼容性表格 要小心谨慎在生产中使用这之前。

mode 只读特性在 锁 interface returns the access mode passed to LockManager.request() when the lock was requested. The mode is either "exclusive" (默认) 或 "shared" .

句法

var mode = Lock.mode
					

值

One of "exclusive" or "shared" .

范例

The following examples show how the mode property is passed in the call to LockManager.request() . LockManager is the object returned by navigator.locks .

// Should show "exclusive" (the default)
navigator.locks.request("my_resource", show_lock_properties);
// Should show "exclusive"
navigator.locks.request("my_resource", {mode: "exclusive"}, show_lock_properties);
// Should show "shared"
navigator.locks.request("my_resource", {mode: "shared"}, show_lock_properties);
function show_lock_properties(lock) {
  console.log(`The lock name is: ${lock.name}`);
  console.log(`The lock mode is: ${lock.mode}`);
}
					

规范

规范	状态	注释
Web Locks API The definition of 'mode' in that specification.	草案	初始定义。

浏览器兼容性

The compatibility table in this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request. 更新 GitHub 上的兼容性数据

	桌面						移动
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet
mode	Chrome 69	Edge ≤79	Firefox ?	IE ?	Opera 56	Safari ?	WebView Android 69	Chrome Android 69	Firefox Android ?	Opera Android 48	Safari iOS ?	Samsung Internet Android 10.0

图例

完整支持

完整支持

兼容性未知 ?

兼容性未知

实验。期望将来行为有所改变。

实验。期望将来行为有所改变。

元数据

• 最后修改： May 19, 2019

相关话题

1. 锁
2. 特性

   1. mode
   2. 名称