In JavaScript, you can use following two ways to get hidden field value in a form :
- document.getElementById(‘hidden field id’).value
- document.formName.elements[‘hidden field name’].value
See an example here…
<html>
<body>
<script type="text/javascript">
function printIt(){
alert(document.getElementById('abcId').value);
alert(document.formName.elements['abcName'].value);
}
</script>
<h1>Access Hidden value in JavaScript</h1>
<form name="formName">
<input type=hidden id="abcId" name="abcName"
value="Wall Street! Money Never Sleep"/>
<input type=button value="Get Value" onclick="printIt()" />
</form>
</body>
</html>
If the button is clicked, it will prompts the hidden field value “Wall Street! Money Never Sleep”.
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It is better practice to use something like this.
document.getElementById(”).value
This way it will work if you use Master Pages as well.
afferim lan s?pa
Hi mkyong,
This tutorial is very help but can you tell me how can i get an array of all input type elements on jsp in javascript.My elements are created dynamically.
Thanks. your sites are very usefull every time
Thanks dude
Thanks for all the post dude ! ! !
Hi , Do you have any suggestion on huge data transfer
I have very large XML’s to be transfered from offline to online server.
I idea is to apply some shrinking logic and make the xml shrink and send across,.
Can you guide me on your brain thoughts to carry out a safe and easy data transfer.
Regards
Ganesh
Hello,
Man, you don’t know how many times your site helped me.
Thank you again and keep the good work!
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Thank’s for this post!