simple javascript contact form

Summary of Form Technology in JavaScript (recommended), javascriptform Here, we will not perform complicated background verification and JavaScript Regular Expressions. We will simply introduce this technology, simply receive and jump to the background, and you will probably know how to verify it. I will continue to write blogs for specific technologies later. I

This article mainly introduces Form Verification in JavaScript, which is an important knowledge of JS communication between the frontend and the server. If you need it, you can refer to form verification on the server, the client has input all necessary data, and then press the submit button. If some input client data has been lost in an incorrect format or simpl

This article mainly introduces the basic JavaScript tutorials (II): objects and functions. This article describes basic object knowledge, basic function knowledge, function calling, exceptions, inheritance, and so on, for more information about programming in other languages, see. Simple types in JavaScript include: 1. Number2. String3. boolean (true and false)4

This article mainly introduces form verification in JavaScript, which is an important knowledge of JS communication between the frontend and the server. if you need it, you can refer to form verification on the server, the client has input all necessary data, and then press the submit button. If some input client data has been lost in an incorrect format or simpl

In IE, when JavaScript is used to call form. submit (), the system prompts "the object does not support this attribute and method" This is a magical problem that we accidentally encountered in the project today. First, let's take a look at the following code. The test page can be viewed here. The function and logic of the page are very simple. Logically, this Cod

Javascript two form pass value implementation code There's also a function in JavaScript window.showmodaldialog can also open a new form, but he opens a modal window, so how do you pass values between the parent form and the subform? Let's look at the definition of the funct

JavaScript Functions are actually involved in form parameters-smart and principled 1. There may be deviations in the number of real-participation parameters, and there will be no errors due to inconsistent parameters. Example 1: Functionbox (a, B) {return a + B;} alert (box (1, 3, 5); // The running result is "4 ". // The calculation is "1 + 3" and "5" is not used ". Example 2: Functionbox (a, B, c) {return

This example describes how JavaScript determines the number of multiple-selection box checkboxes in a form. Share to everyone for your reference. Specifically as follows: This uses JavaScript to detect and determine the number of selected boxes in the form, that is, how many checkboxes have been selected, in the past,

About how to use JavaScript to intercept form submitPosted on winderIn the near future, we need to use JS scripts to intercept the form submit method on the page to modify the request URL when the page is implicitly submitted. The simple implementation is as follows:Var oldSubmit;Var

One, the simplest is the same page in the form of data transmission. For example, there are two forms on a Web page, a text box in each form, and a button. The point button pairs each other to manipulate the value of each other's text box. The example we give is to pay a text box to another text box. The specific HTML code is as follows: Copy Code code as follows: The above HTML code,

A JavaScript instance for detecting form data A JavaScript instance for detecting form data is very simple and practical. If you are interested, you can check it out. 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

-\\xff]+$",//only acsii characters "^\\d{6}$",//ZIP code "^ (13|15|18) [0-9]{9}$",//Mobile phone "^ (25[0-5]|2[0-4]\\d| [0-1]\\d{2}| [1-9]?\\d] \. (25[0-5]|2[0-4]\\d| [0-1]\\d{2}| [1-9]?\\d] \. (25[0-5]|2[0-4]\\d| [0-1]\\d{2}| [1-9]?\\d] \. (25[0-5]|2[0-4]\\d| [0-1]\\d{2}| [1-9]?\\d) $ ",//IP address "^\\s+$",//Non-empty "(.*)\\. (JPG|BMP|GIF|ICO|PCX|JPEG|TIF|PNG|RAW|TGA) $ ",//Picture "(.*)\\. (rar|zip|7zip|tgz) $ ",//Compressed file "^\\d{4}" (\\-|\\/|\.) \\d{1,2}\\1\\d{1,2}$ ",//Date

1Emailnamereg:/^ (([a-za-z0-9]+\w* (\.\w+) | ( -\w+)) *[\.-]? [a-za-z0-9]+) | ([a-za-z0-9])) $/,//Match mailbox Name2Emailreg:/^ (([a-za-z0-9]+\w* (\.\w+) | ( -\w+)) *[\.-]? [a-za-z0-9]+) | ([a-za-z0-9])) \@[a-za-z0-9]+ ((\.| -) [a-za-z0-9]+] *\. [A-za-z0-9]+$/,//Match Mailbox3Mobilereg:/^1[3,4,5,7,8][0-9]{9}$/,//Match Phone number4Passwordreg:/^\s{1,20}$/,//match password matches all non-whitespace5Numberreg:/^[0-9]*$/,//Match Numbers6Vcodereg:/^[a-za-z0-9]*$/,//Matching graphics Verification c

Simple calculator function based on javascript, javascript Calculator This example introduces the code for implementing the simple calculator function in javascript and shares it with you for your reference. The specific content is as follows: : Implementation Code: I hope

You have written a form verification plug-in that is simple to use and can later extend more functionality, such as AJAX validation. There is a span tag for each form element that needs to be validated, and the class of the tag has a valid that requires validation and, if there is a nullable, is nullable; rule represents validation rules, MSG indicates error mes

MVVM is a very popular development model for Web Front-end. MVVM allows our code to focus more on processing business logic than on DOM operations. Next, I will introduce JavaScript to use data binding to implement a simple MVVM library. If you are interested, let's learn it together. Recommended reading: Implement simple js two-way Data Binding MVVM is a very p

This article mainly introduces the information about the timer refresh window and close window (the code is super simple) of the JavaScript timer SetTimeout. For more information, see JavaScript timer SetTimeout: regularly refresh and close windows (code is super simple) _ javascri