_javascript Techniques for JS Universal JavaScript function library Finishing

Copy Code code as follows:

/*
* Contains Jquery-1.3.2.min.js
*/
document.write ("<script language= ' javascript ' src= ' js/jquery-1.3.2.min.js ' ></script>");
/*
* Public Parameters
*/
var hosturl= ' http://' +window.location.host; Get web site Host Header
/*
* Center left value horizontally
*/
function Horcenter (x) {
Return (document.documentelement.clientwidth-x)/2;
}
/*
* Center Top value Vertically
*/
function Vercenter (y) {
Return (document.documentelement.clientheight-y)/2+document.documentelement.scrolltop;
}
/*
* Delete the left and right sides of the space
*/
function Trim (str) {
Return Str.replace (/(^\s*) | ( \s*$)/g, "");
}
/*
* Judge the mailbox, return to True/false
*/
function Isemail (email) {
var expression=/\w+ ([-+. '] \w+) *@\w+ ([-.] \w+) *\.\w ([-.] \w+) * * *;
var objexp=new RegExp (Expression);
return objexp.test (email);
}
/*
* Judge user name, return true/false
*/
function IsUser (user) {
var expression=/^ (?!) _)(?!. *?_$) (\w| [\u4e00-\u9fa5]) *$/; Can only be numeric, Chinese, letter, underline combination, underline can not at the beginning or end
var objexp=new RegExp (Expression);
return objexp.test (user);
}
/*
* Judge Mobile phone number
*/
function IsMobile (MOBILE) {
var expression=/^1[3458]{1}[0-9]{9}$/;
var objexp=new RegExp (Expression);
Return objexp.test (MOBILE);
}
/*
* Judge nonnegative integers, return true/false
*/
function Isint (intval) {
var expression=/^\d+$/;
var objexp=new RegExp (Expression);
Return Objexp.test (intval);
}
/*
* Judge the number and return to True/false
*/
function Isnum (num) {
return!isnan (num);
}
/*
* Judge RMB (money) and return to True/false
*/
function Ismoney (Money) {
var expression=/^ ([1-9]\d+|0) \.\d{2}| ( [1-9]\d+|0)) $/;
var objexp=new RegExp (Expression);
Return Objexp.test (Money);
}
/*
* The length of the calculation string, in Chinese two, the English digit is written as a
*/
function Getbytelen (schars) {
Return Schars.replace (/[^\x00-\xff]/g, "xx"). Length;
}
/*
* Limit the length of the input string
*/
function Getbyteval (ssource, Ilen) {
if (Ssource.replace (/[^\x00-\xff]/g, "xx"). Length<=ilen)
{
return ssource;
}
Else
{
var str= "";
var l=0;
var Schar;
For (var i=0;schar=ssource.charat (i); i++)
{
Str+=schar;
l+= (Schar.match (/[^\x00-\xff]/)!= null 2:1);
if (L>=ilen)
{
Break
}
}
return str;
}
}
/*
* Write cookies
*/
function Setcookie (name,value)
{
var argv=setcookie.arguments;
var argc=setcookie.arguments.length;
var expires= (2&LT;ARGC) argv[2]:null;
var path= (3&LT;ARGC) argv[3]:null;
var domain= (4&LT;ARGC) argv[4]:null;
var secure= (5&LT;ARGC) Argv[5]:false;
document.cookie=name+ "=" +escape (value) + (expires==null)? ":("; Expires= "+expires.togmtstring ()) + (Path==null)" ":("; Path= "+path") + (domain==null)? ":("; domain= "+domain)" + ((secure==true)? "; Secure ":" ");
}
/*
* Get cookies
*/
function GetCookie (name) {
var search = name + "=";
var returnvalue = "";
if (Document.cookie.length > 0)
{
offset = document.cookie.indexOf (search);
if (offset!=-1)
{
Offset + + search.length;
End = Document.cookie.indexOf (";", offset);
if (end = = 1)
end = Document.cookie.length;
Returnvalue=unescape (document.cookie.substring (offset,end));
}
}
Return returnvalue;
}
/*
* Full selection of checkbox, Total elimination
*
* Reference
* <input name= "chkbox" type= checkbox "onclick=" Checkall (This, ' Form1 ')/>
* <input name= "chkbox" type= "checkbox" value= "" class= "Chk"/>
*/
function Checkall (obj,objform) {
if (obj.checked==true) {
$ (' # ' +objform+ ' Input:checkbox.chk '). each (function () {
this.checked= ' checked ';
});
}
else{
$ (' # ' +objform+ ' Input:checkbox.chk '). each (function () {
This.checked= ';
});
}
}
/*
* Support for multiple browser replication
*/
function Copyvalue (strvalue) {
if (Isie ())
{
Clipboarddata.setdata ("Text", strvalue);
Alert ("Successful copy");
}
Else
{
Copy (strvalue);
Alert ("Successful copy");
}
}
/*
* Judge IE browser
*/
function Isie (number) {
if (typeof (number)!=number)
{
return!! document.all;
}
}