html标签属性为布尔值
在开发公司的⼀个内部系统时,⽤到了AntDesign框架。我要让Button在可点击和不可点击两种状态之间切换。
<Button disabled={true}>点击</Button>
结果我的Button标签确实不可点击了,但是eslint却报错如下:
error Value must be omitted for boolean attributes react/jsx-boolean-value
后来把代码给成这样:
<Button disabled=“disabled”>点击</Button>
eslint报错就消失了。
后来在Stack Overflow参考到了答案:
2.5.2 Boolean attributes
htmlbutton属性A number of attributes are boolean attributes. The presence of a boolean attribute on an element represents the true value, and the absence of the attribute repr If the attribute is present, its value must either be the empty string or a value that is an ASCII case-insensitive match for the attribute's canonical name, with no lea The values "true" and "false" are not allowed on boolean attributes. To represent a false value, the attribute has to be omitted altogether.
*Note that this means that <div hidden="true"> is not allowed in HTML5.
Correct would be either <div hidden> or <div hidden=""> or <div hidden="hidden"> or case-insensitive and single
quotes/unquoted variations of any of them.*
总结起来就是这样:
在不使⽤框架处理的情况下,给Button标签如下⼏种写法,都会使按钮不可点击:
<button disabled>click</button>
<button disabled="">click</button>
<button disabled="disabled">click</button>
<button disabled="任意字符串">click</button>
要让不可点击的按钮,回到点击状态有两种⽅式:
1. 通过JS移除disabled属性
2. 通过JS赋值:ElementById("Button").disabled = true;
参考资料:
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