Several methods for form submission

How to get the attribute values ​​of input and other controls in the form

Get the control first

Document.getElements*******

Form name. Control name

Value

How to determine whether the radio button and multi-select box are selected?

According to the checked attribute, if selected, it returns true, otherwise it returns false

How to submit the form, and the verification method

Two methods:

1. Button type =”submit”

Verification: add onsubmit=”return foo()”

to form tag Define foo()

in script function foo(){

                                                                                                                                                                 . ”

Add click event foo()

to button Define foo()

in script Function foo(){

//Verification passed Manually trigger form submission or form name.submit();

//Verification failed reture false;

}

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