spellcheck

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这是一个实验中的功能
此功能某些浏览器尚在开发中,请参考浏览器兼容性表格以得到在不同浏览器中适合使用的前缀。由于该功能对应的标准文档可能被重新修订,所以在未来版本的浏览器中该功能的语法和行为可能随之改变。

spellcheck全局属性是枚举属性,定义是否可以检查元素的拼写错误。它可以具有以下值: 

  • true, which indicates that the element should be, if possible, checked for spelling errors;
  • false, which indicates that the element should not be checked for spelling errors.

If this attribute is not set, its default value is element-type and browser-defined. This default value may also be inherited, which means that the element content will be checked for spelling errors only if its nearest ancestor has a spellcheck state of true.

You can consult this article to see a comprehensive example of the use of this attribute.

This attribute is an enumerated one and not a Boolean one. This means that the explicit usage of one of the values true or false is mandatory and that a shorthand like <label spellcheck>Example Label</label> is not allowed. The correct usage is <label spellcheck="true">Example Label</label>.

This attribute is merely a hint for the browser: browsers are not required to be able to check for spelling errors. Typically non-editable elements are not checked for spelling errors, even if the spellcheck attribute is set to true and the browser supports spellchecking.

The default value of this attribute is browser and element-dependant:

Browser <html> <textarea> <input> others Comment
Firefox false false false inherited When layout.spellcheckDefault is 0
false true inherited inherited When layout.spellcheckDefault is 1 (default value)
false true true inherited When layout.spellcheckDefault is 2
Seamonkey false false false inherited When layout.spellcheckDefault is 0
false true inherited inherited When layout.spellcheckDefault is 1 (default value)
false true true inherited When layout.spellcheckDefault is 2
Camino false false false inherited When layout.spellcheckDefault is 0
false true inherited inherited When layout.spellcheckDefault is 1
false true true inherited When layout.spellcheckDefault is 2 (default value)
Chrome false true ? inherited
Internet Explorer false true ? inherited
Opera false true ? inherited
Safari false true ? inherited

Specifications

Specification Status Comment
WHATWG HTML Living Standard
spellcheck
Living Standard No change from latest snapshot, HTML5.1
HTML5.1
spellcheck
Recommendation Snapshot of WHATWG HTML Living Standard, initial definition

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support (Yes) 2.0 (1.8.1) (Yes) (Yes) (Yes)
Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support 未实现 ? 1.0 (1.8.1) ? ? ?

See also

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