Javascript Form Validation

Form Validation

function validateform(form1)
{
  if("" == document.forms.form1.name.value)
  {
   alert("Please enter your name")
   form1.name.focus()
   return false
  }
  if("" == document.forms.form1.email.value)
  {
   alert("Please enter your email")
   form1.email.focus()
   return false
  }
  if("" == document.forms.form1.message.value)
  {
   alert("Please enter your message")
   form1.message.focus()
   return false
  }
}

Name:*

Email:*

Message:*

Javascript Form Validation

0 comments

Form Validation

function validateform(form1)
{
  if("" == document.forms.form1.name.value)
  {
   alert("Please enter your name")
   form1.name.focus()
   return false
  }
  if("" == document.forms.form1.email.value)
  {
   alert("Please enter your email")
   form1.email.focus()
   return false
  }
  if("" == document.forms.form1.message.value)
  {
   alert("Please enter your message")
   form1.message.focus()
   return false
  }
}

Name:*

Email:*

Message:*

Javascript Form Validation

Step1: JavaScript for Form Validation

<script type="text/javascript">
function validateform(form1)
{
if("" == document.forms.form1.name.value)
{
alert("Please enter your name")
form1.name.focus()
return false
}
if("" == document.forms.form1.email.value)
{
alert("Please enter your email")
form1.email.focus()
return false
}
if("" == document.forms.form1.message.value)
{
alert("Please enter your message")
form1.message.focus()
return false
}
}
</script>


 function validateform(form1)
 {
  if("" == document.forms.form1.name.value)
  {
   alert("Please enter your name")
   form1.name.focus()
   return false
  }
  if("" == document.forms.form1.email.value)
  {
   alert("Please enter your email")
   form1.email.focus()
   return false
  }
  if("" == document.forms.form1.message.value)
  {
   alert("Please enter your message")
   form1.message.focus()
   return false
  }
 }

1

2

3

4

5

6

7

8

9

10

11

12

13

14

15

16

17

18

19

20

21

22

23

24

25

26

27

28

29

30

31

32

33

34

35

36

37

38

39

40

41

42

43

44

45

46

function validateform(form1)

{

if("" == document.forms.form1.name.value)

{

alert("Please enter your name")

form1.name.focus()

return false

}

if("" == document.forms.form1.email.value)

{

alert("Please enter your email")

form1.email.focus()

return false

}

if("" == document.forms.form1.message.value)

{

alert("Please enter your message")

form1.message.focus()

return false

}

</script>

function validateform(form1)

{

if("" == document.forms.form1.name.value)

{

alert("Please enter your name")

form1.name.focus()

return false

}

if("" == document.forms.form1.email.value)

{

alert("Please enter your email")

form1.email.focus()

return false

}

if("" == document.forms.form1.message.value)

{

alert("Please enter your message")

form1.message.focus()

return false

}

Step 2:

Create an HTML form to collect information about Name, Email, Message.