Introduction to the role of value and name attributes in Html and their use_HTML/Xhtml_Web page production

1. The value used in the button refers to the text to be displayed on the button, such as "OK", "Delete", etc.

2. The value used in the check box refers to the value of the check box

3. The value used for the radio button is the same as the check box

4. The value used for the drop-down menu is the value of each sub-item in the list

5. The value used for the hidden field It is the content displayed in the box


In the background, if you want to get the content of the check box, it is the value. Get it
When you get the data in the page that receives the form data, what you get is the value. Value

1. name is the name of the control (multiple controls can have the same name), value is the value of the control;
2. Not all values ​​of controls will be displayed, such as checkbox, radio , hidden;
3. Define the name and value of the control to obtain the control and its value on the server;
4. If you don’t see the name of submit, it does not mean that the browser ignores its name. Before submission, it has a name defined by the browser, and its name and value can also be obtained on the server;
5. The control can be displayed without defining name/value. It is only defined for the convenience of receiving and distinguishing it on the server. Its name/value, of course, the button's value is not only used to store its value, but also used for display.
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