simple javascript contact form

[' data '); in Http.open (options[' method '],url); the //Set the request header to resolve the Get commit cache problem by modifying the file last modified time resolved the http.setrequestheader (' If-modified-since ', 0); About http.send (null); the return; the } the + if (options[' method '] = = ' post ') { - Http.open (options[' method '], data[' url '); the //Set the request headerBayi http.setrequestheader (' Content-type ', ' application/x-www-

At the time of logging in, usually the input information is passed intact to the back end of the handler, and then return the results after processing, then the pressure on the backend server is very large, so you can submit the form before a few simple detection, and then to the backend, reduce the pressure on the server part:　　JavaScript

I don't know if you have heard of a Javascript-based Web page Preprocessor called AbsurdJS. I just want to write a pre-processor of CSS, and then extend it to CSS and HTML, which can be used to convert Javascript code into CSS and HTML code. Of course, because HTML code can be generated, you can also use it as a template engine to fill data in markup language. So I thought about whether I could write some

A JavaScript instance that detects form data, very simple, very practical, interested friends can see 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 35 36 37 38-39 40 41 42 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 5 86 87 88 8

Cases Add the onsubmit attribute to the form or the Add OnClick property of the Submit button, the value is return check (), the check is a JavaScript function, the validation table is single, no call, even if the validation fails will be submitted. In the check function, the validation failure returns false and returns true successfully.Code: The code is as follows Copy Code N

A JavaScript instance that detects form data, very simple, very practical, interested friends can look at

This article mainly introduces how to use the setInterval () function in JavaScript to implement simple round-robin operations. It analyzes the principle of round-robin operations and javascript implementation skills in the form of examples, for more information about how to use the setInterval () function to perform

This article mainly introduces how to use the setInterval () function in JavaScript to implement simple round-robin operations. it analyzes the principle of round-robin operations and javascript implementation skills in the form of examples, for more information about how to use the setInterval () function to perform

This article mainly introduces the simple JavaScript mutex lock related information. For more information, see how many projects last year need to use JavaScript mutex lock, here is one of them: The Code is as follows: // Published by Indream Luo// Contact: indreamluo@qq.com// Version: Chinese 1.0.0 ! Function ($ ){

JavaScript to open a simple example of the link page, javascript Link In addition to the common method of link on the page, if javascript is used, there are many other methods. Below are some methods of using javascript to open the link: 1. Use the window open method to open

I think of my experience learning javascript a long time ago, and I have encountered several problems caused by anonymous functions (one of which is caused by closures). I will sort out several simple code sections to discuss, let us all make progress together. 1. Simple encapsulation call The Code is as follows: Var userName = function () {return "jeff wong "

This article mainly introduces Javascript simple implementation of object-oriented programming inheritance instance code, and briefly analyzes the characteristics of object-oriented programming and the specific implementation skills of inheritance, which has some reference value, for more information about how to use Javascript to implement object-oriented progra

This article mainly introduces in detail the considerations for using html5 + javascript For upload operations and the form style is not beautiful, interested friends can refer to the simple record below to do H5 upload this morning some code is still pitfall I. Presentation Because the front-end upload file must pass the fo