我为一个现有的应用程序编写了一个javascript,其中有两种形式的 id 分别存在,每种形式中都有一个 div ,其ID为 validationSummary 。但是这些 div 属于不同的类。所以我的问题是这可能吗?请谁能解释我这是正确的吗?
I was writing a javascript for an existing application in which there are two forms with separate ids, and in each form there is a div which has the id "validationSummary". But these divs belong to different classes. So my question is can this be possible? Please anyone can explain me is this correct ?
这些是 div s:
<form id="foo" .....> <div class="notice_bar validation-summary-errors error_message" id="validationSummary"></div> </form> <form id="bar" .....> <div class="validation-summary-valid notice_bar affirmative_message" id="validationSummary"></div> </form>和类 notice_bar 是常见的
推荐答案可能吗?是。 编码好吗?
Possible? Yes. Good coding? No.
来自 w3 :
ID和NAME令牌必须以字母开头([A-Za-z] ),可以是,后跟任意数量的字母,数字([0-9]),连字符(-),下划线( _),冒号(:)和句点(。)。
ID and NAME tokens must begin with a letter ([A-Za-z]) and may be followed by any number of letters, digits ([0-9]), hyphens ("-"), underscores ("_"), colons (":"), and periods (".").
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两个HTML元素可以具有相同的ID,但可以在不同的类中吗?
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