语法
Object.queryCommandState(String command)
描述
返回 指定命令 在对象内的状态码(1表示指定命令在对象内已执行;0表示指定命令在对象内未执行,处于可执行状态;-1表示指定命令在对象内处于不可用状态)
规范
Specification | Status | Comment |
---|---|---|
HTML Editing APIs execCommand |
Editor's Draft | Initial definition |
浏览器兼容性
We're converting our compatibility data into a machine-readable JSON format.
This compatibility table still uses the old format,
because we haven't yet converted the data it contains.
Find out how you can help!
Feature | Chrome | Edge | Firefox (Gecko) | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|---|
Basic support | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) | (Yes) |
Feature | Android | Chrome for Android | Edge | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|---|---|
Basic support | ? | ? | (Yes) | ? | ? | ? | ? |
参见
document.contentEditable
document.designMode
- Rich-Text Editing in Mozilla
- Browser bugs related to
queryCommandState()
: Scribe's "Browser Inconsistencies" documentation