according to user

[shir11]

Hi all,

I have an input button and I want that if the user click this button in the second time - someting will happen.

how can I count 2 clicks? is there "session" in javascript?

 

thank you:)

[Ingolme]

There's localStorage and sessionStorage.

[shir11]

is it only for html5?

[Ingolme]

It's available in any browser that has support for HTML 5, but it's Javascript, so you can use it even if your page is HTML 4.01 or XHTML

[shir11]

thank you!I wrote that code:1. <script type="text/javascript">2. $(document).ready(function () {3. $("#submit").on("click", function () {4. if (sessionStorage.clickcount) {5. sessionStorage.clickcount = Number(sessionStorage.clickcount) + 1;when I click on the button and debug - I reached to line no. 4 and that's it.why if (sessionStorage.clickcount) always false?

[thescientist]

if it's equal to 0, then it will evaluate to false.

[shir11]

I work in chrome and it gives me this: sessionStorage.clickcount is undefind. why is that?

[Ingolme]

Did you ever define it at any moment?

[shir11]

yes, it's undefined all the way..

[Ingolme]

Then give it a value. Write this somewhere:

sessionStorage.clickcount = 0;

You can't really use a variable if you don't give it a value.

[shir11]

YES!! thank you so much!!!