age verification form html

* * * * and * * * *) function Test () { if ((A.b.value.indexof ("* *") = = 0) | | (A.b.value.indexof ("* * *") = = 0)) { Alert (":)"); A.b.focus (); return false;} } 8. Two times input password is the same function Check () { With (document.all) { if (Input1.value!=input2.value) { Alert ("false") Input1.value = ""; Input2.value = ""; } else Document.forms[0].submit (); } } That's enough,:). Shielding right button is cool Oncontextmenu= ' return false ' ondragstart= ' return false ' onselectstar

Compile the jQuery plug-in form verification by yourself and compile the jquery plug-in form Let's talk about it first: I am in a bad state recently. I really don't want to do anything, don't want to go to work, and I don't have the motivation to do anything. I feel boring. Don't want to do this. Don't want to do this. Just let it disappear. Suddenly ....

Django form post has two solutions: CSRF verification failed (CSRF verification failed)Symptom The form interface is as follows: After clicking submit, the following error page appears: The HTML code is as follows: Contact_form.html The view code is as follows: View.

TP data validation There are two ways, one is static mode, one is dynamic, the following small series to everyone brought the thinkphp framework form verification and Ajax verification problems, interested friends to see it together The previous form validation was written in JS, which can also be verified using the T

JQuery formValidator Form Verification and jqueryform Verification As a programmer, it is necessary to make some conclusions after solving problems encountered in the work. It is not only convenient to summarize the knowledge points, but also provides some work experience for the majority of programmers, give an explanation to your peers.

Javascript Form Verification length, javascript form JavaScript can be used to verify the input data in the HTML form before the data is sent to the server. What method should we use to remind users? You do not want to use the alert () Prompt box Add an sqan label after the

form is one of the main external forms of dynamic Web page implementation. Forms and form fields do not have the ability to compose, and the form page is ultimately organized by a table. HTML forms are an important means of interacting with the browser side of HTML pages. Fo

This article mainly introduces the usage of php form-based password verification and HTTP authentication, and analyzes in detail the principles and precautions of form-based password verification and HTTP authentication in the form of instances, it has some reference value.

-mail verificationThe following function checks whether the input data conforms to the basic syntax of an e-mail address.This means that the data entered must contain the @ symbol and the dot (.). At the same time, @ cannot be the first character of the email address and must have at least one dot after @:function Validate_email (field,alerttxt){With (field){Apos=value.indexof ("@")Dotpos=value.lastindexof (".")if (apos{alert (alerttxt); return false}else {return true}}}Here is the complete code

Simple Example of HTML5 form verification, html5 form exampleThis article mainly introduces a simple example of using HTML5 form verification, including a small example of using a mobile phone. For more information, see HTML5 provides the patern attribute for