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This code can often be seen in Javascript scripts: 〈a href= "javascript:changenum (); void (0);" 〉here〈/a〉 but what does void (0) mean here? What's the effect? In JavaScript, Void is an operator that specifies that you want to evaluate an expression but not return a value. void operator usage format is as follows: ...
<html> <head> <title> Get the specified elements of the HTML file </title> <script language= "JavaScript" > function GetElement1 () {Alert (document.all ("myH2"). TagName);
JS javascript:void (0) The real meaning I want to use Ajax is common such code: <a href= "javascript:dotest2 (); void (0);" >here</a> but what does void (0) here mean? In JavaScript, Void is an operator that specifies that you want to evaluate an expression but not return a value. void operator usage format is as follows: 1. J..
Javascript:void (0) means nothing! He is not a page URL, but a JavaScript statement void (0), Void is an operator that specifies that an expression is to be evaluated but does not return a value, the expression to be evaluated is "0", so , this is basically a pit dad's writing, completely fooled browser. If you hover over a link and the target address of the link is displayed on the status bar at the bottom of the browser, it means that the author of this page wants the link to be clicked ...
JavaScript Tutorial Set Background transparency effect code <! DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd "> <html xmlns=" http ...
PHP Tutorial output JavaScript Tutorial code echo <<<eto function Hinzu (pizza) {Neuereintrag = new option (Pizza, pizza, false, false); document.getElementById (&q ...)
void operator interpretation You can often see this code in JavaScript scripts: 〈a href= "javascript:dotest2 (); void (0);" 〉here〈/a〉 but what does void (0) mean here? In JavaScript, Void is an operator that specifies that you want to evaluate an expression but not return a value. void operator usage format is as follows: 1. Javascript:void (...)
In JavaScript, use the ToString () and parseint () functions to convert numbers into the system! <! DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" http://www.w3.org/TR/xhtml1/DTD/x ...
JavaScript All-selected table specifies the checkbox <!doctype HTML Public "-//W3C//DTD XHTML 1.0 transitional//en" http://www.w3.org/tr/ Xhtml1/dtd/xhtml1-transitional.dtd "> <html xmlns=" H ...
JavaScript gets the parameter value of the link address based on the parameter ID <! DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd "> <html xmlns=" ...
<cfoutput> <script type= "Text/javascript Tutorial" > <!--function baseisnotnum (thenum) {//Judge whether it is a number if (Basetrim (thenum) = = "") return true; for (Var i=0;i<thenum ....)
Use Web Effects str.replace (/-/g, "!") You can replace all the matching characters (G is the global flag). <script type= "Text/javascript" > String.prototype.replaceall = function (Reallydo, replacewith, ignorecase) {...
JavaScript Select specifies Checkbox,select,radio value code function selectcheckbox (name,value) {var checkobject = Document.getelementsbyname (name); var valuevalues = Value.split (","); For (...)
JavaScript Tutorial HTML illegal character filtering and conversion functions <html xmlns= "http://www.jzread.com/1999/xhtml" > <head> <meta http-equiv= "Content-type" content= "HTML; charset=gb2312 "...
Firecat is a server-side http://www.aliyun.com/zixun/aggregation/33906.html ">javascript Web server. It is similar to ASP and JSP, but it is not VBScript and Java, its main use of JavaScript scripting language (NSP). It is written in Java and can run on any Java virtual machine, but the primary goal will be free Java support, such as Sablev ...
Here is a brief introduction to the use of the JavaScript alert () function, the alert--pop-up message dialog box, and the Alert message dialog box is usually used for some informational messages to the user. JavaScript alert () Function alert--Pop-up message dialog (there is an OK button in the dialog box) alert, the meaning of the Chinese "reminder" alert function Syntax alert (str); Alert Function Tip Box ...
JavaScript selects all checkboxes for current page checkbox code <!doctype HTML Public "-//W3C//DTD XHTML 1.0 transitional//en" http://www.w3.org/ Tr/xhtml1/dtd/xhtml1-transitional.dtd "> <html xmlns=&
According to the related news, Windows 8 developers will preview the preview version at the Build conference, the details of the WinRT APIs that developers are concerned about, and detailed answers will be provided one by one by Microsoft engineers at Big Picture in the afternoon of the conference. Through the overall architecture of the Windows 8 platform and tools, we can see that there are many APIs in the WinRT library, while supporting C ++, C #, VB and JavaScript, HTML / CSS, XAML in x86 / 64 and AR ...
According to foreign media reports, Symantec warned that its endpoint homeowner manager (Endpoint Protection Manager) Server product incorrectly marked the virus feature update released this year as expired. Symantec's problem is one of the recently reported software issues related to the end of the 10. Microsoft's Windows Mobile operating system is said to be having this problem. 498) this.width=498 ' OnMouseWheel = ' Javascript:return ...
If there are spaces or other delimiters in the string, you can split the Split method, return an array, and then pass the year and month in the array as arguments to new date () to generate the date type; if there is no special separator, you can use SUBSTR (x, Y) method to take a substring to generate a date, substr (X,y), X represents the start of the string, and Y indicates the length of the substring! If the string is "/" split can be converted using Date.parse (DATESTR) ...
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