Js If Undefined

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JS Remove duplicates in an array of several methods

This article provides four kinds of JS code to remove repeating array elements, four functions The simplest way to delete a repeating array element is a regular expression, let's see if it's better for you. <!doctype HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en "" Http://www.w3.org/tr/xhtml1/dtd/xhtml1-transitional.

Lower right corner ad JS code

<! DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd "> <html xmlns=" http://www.jzread.com/1999/...

Prevent duplicate submission of JS code

This article provides you with a prevention of repeated submission of Web page special effects code Oh, you can prevent users from constantly click to submit the form, we will only submit once oh. <html xmlns= "http://www.jzread.com/1999/xhtml" > <head runat= "Server" > <script type= "text/web Effects" > ...

Most complete CSS Browser Compatibility FAQ and workaround

CSS browser compatibility is sometimes a headache, perhaps when you understand the skills and principles, you will find it is not difficult, from the online collection of ie7,6 and FIREOFX compatibility processing methods and collated. For web2.0 excesses, try to write code in XHTML format,  and doctype affect CSS processing, as the standard of the consortium, must add DOCTYPE reputation. CSS Tips 1.div Vertical center problem vertical-align:middle ...

Member Registration Verification Code (PHP+MYSQL+AJAX)

Member Registration Verification Code (PHP tutorial +mysql tutorial +ajax) <!doctype HTML Public "-//W3C//DTD XHTML 1.0 transitional//en" "http://www.w3.org/tr/ Xhtml1/dtd/xhtml1-transitional.dtd "> <html> <hea ...

Has your website opened gzip?

Intermediary transaction SEO diagnosis Taobao guest Cloud host technology Hall written in front of the article, a lot of new webmaster, to speed up the speed of Web site access only exist in the server and template selection above, in fact, gzip page compression can greatly enhance the speed of Web site access, for the site in foreign stations, this is an essential step to enhance the Web page   Open speed is very obvious, now we have a systematic understanding of this gzip. First, what is gzip gzip concept gzip ...

Face without FTP helpless

Intermediary transaction http://www.aliyun.com/zixun/aggregation/6858.html ">seo diagnose Taobao guest cloud host technology Hall to the customer to do Web site optimization encounter that with the construction station system to do the site is the most headaches, Because that kind of website is generally not get ftp. Now many companies have developed such a station system, are known as "as long as you know how to type can build station" or "one minute you can have a beautiful website of your own" and so on. Oh, my God...

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