The Document.queryCommandEnabled()
method reports whether or not the specified editor command is enabled by the browser.
isEnabled = document.queryCommandEnabled(command);
command
Returns a Boolean
which is true
if the command is enabled and false
if the command isn't.
cut
' and 'copy
' commands the method only returns true when called from a user-initiated thread.'paste'
command return false
not only if the feature is unavailable, but also if the script calling it has insufficient privileges to perform the action.var flg = document.queryCommandEnabled("SelectAll"); if(flg) { document.execCommand("SelectAll", false, null); // command is enabled, run it }
Specification | Status | Comment |
---|---|---|
HTML Editing APIs The definition of 'querycommandenabled' in that specification. | Editor's Draft | Initial definition |
Desktop | ||||||
---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | |
Basic support | 17 | Yes | 41
|
4 | ? | ? |
Mobile | |||||||
---|---|---|---|---|---|---|---|
Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
Basic support | Yes | Yes | Yes | 41
|
? | ? | ? |
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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/API/document/queryCommandEnabled