是不是表单中所有带 name 属性的都会被 form.submit() 提交？
回复内容：
不是，例如被禁用的控件、非最终触发表单提交的按钮等，都不参与提交过程。HTML4 里的说法叫 Successful controls：Forms in HTML documents
HTML5 的描述变了，见 4.10 Forms — HTML5 只有表单元素才能被提交，前提示没有disable，参考
HTML之表单元素 除了disable的都会被提交
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