Phiên bản đầy đủ: jsB@nk » Biểu mẫu » Chỉ submit một lần
URL: https://www.javascriptbank.com/submit-once.html
Hiệu ứng chỉ cho phép người dùng submit dữ liệu có trên biểu mẫu một lần mà thôi.
Phiên bản đầy đủ: jsB@nk » Biểu mẫu » Chỉ submit một lần
URL: https://www.javascriptbank.com/submit-once.html
<SCRIPT LANGUAGE="JavaScript"><!-- Beginvar submitcount=0;function reset() {document.emailform.name.value="";document.emailform.email.value="";document.emailform.comments.value="";}function checkFields() { // field validation -if ( (document.emailform.name.value=="") || // checks if fields are blank. (document.emailform.email.value=="") || // More validation scripts at (document.emailform.comments.value=="") ) // forms.javascriptsource.com { alert("Please enter your name, email, and comments then re-submit this form."); return false; }else { if (submitcount == 0) { submitcount++; return true; } else { alert("This form has already been submitted. Thanks!"); return false; } }}// End --></script><!-- This script downloaded from www.JavaScriptBank.com Come to view and download over 2000+ free javascript at www.JavaScriptBank.com--><BODY OnLoad="reset()"><form method=post action="http://javascriptbank.com" name="emailform" onSubmit="return checkFields()"><input type=hidden name=to value="[email protected]"><input type=hidden name=subject value="Feedback Form"><pre>Your Name: <input type=text name="name">Your Email: <input type=text name="email">Comments?<textarea name="comments" wrap="virtual" rows="7" cols="45"></Textarea><input type=submit value="Submit Form!">[ Click the submit button twice to see the script in action ]</pre></form></BODY><!-- This script downloaded from www.JavaScriptBank.com Come to view and download over 2000+ free javascript at www.JavaScriptBank.com-->