Native JavaScript skills Collection (11~20)-(Finally I found this article again)

Source: Internet
Author: User

11. Native JavaScript add to Favorite folder

function Addfavorite (sURL, stitle) {    try {        window.external.addFavorite (sURL, stitle)    } catch (e) {        try {            Window.sidebar.addPanel (stitle, sURL, "")        } catch (e) {            alert ("Failed to bookmark, use Ctrl+d to add")}        }    }

12. Native JavaScript Set as homepage

functionsetHomePage () {if(document.all) {Document.body.style.behavior= ' url (#default #homepage) '; Document.body.setHomePage (' http://www.cnblogs.com/LoveOrHate/')    } Else if(Window.sidebar) {if(window.netscape) {Try{Netscape.security.PrivilegeManager.enablePrivilege ("Universalxpconnect")            } Catch(e) {alert ("This action is rejected by the browser, if you want to enable the feature, enter About:config in the Address bar, and then signed.applets.codebase_principal_support the item value to True")            }        }        varPrefs = components.classes[' @mozilla. Org/preferences-service;1 '].getservice (Components.interfaces.nsIPrefBranch); Prefs.setcharpref (' Browser.startup.homepage ', ' http://www.cnblogs.com/LoveOrHate/')    }}

13. Native JavaScript judgment IE6

var ua = navigator.userAgent.toLowerCase (); var isIE6 = Ua.indexof ("MSIE 6") >-1; if (isIE6) {    try  {        Document.execcommand (falsetrue)     Catch (e) {}}

14, native JavaScript load style file

function loadstyle (URL) {    try  {        document.createstylesheet (URL)    catch( e) {        var csslink = document.createelement (' link ');         = ' stylesheet ';         = ' Text/css ';         = URL;         var head = document.getElementsByTagName (' head ') [0];        Head.appendchild (Csslink)    }}

15. Native JavaScript returns script content

functionEvalscript (s) {if(S.indexof (' <script ') = =-1)returns; varp =/<script[^\>]*?> ([^\x00]*?) <\/script>/IG; vararr = [];  while(arr =p.exec (s)) {varP1 =/<script[^\>]*?src=\ "([^\>]*?) \ "[^\>]*? (reload=\ "1\")? (?: Charset=\ "([\w\-]+?) \ ")? ><\/script>/i; varARR1 = []; ARR1= P1.exec (arr[0]); if(arr1) {appendscript (arr1[1], ", arr1[2], arr1[3]); } Else{P1=/<script (. *?) > ([^\x00]+?) <\/script>/i; ARR1= P1.exec (arr[0]); Appendscript (", Arr1[2], Arr1[1].indexof (' reload= ')! =-1); }    }    returns;}

16. Native JavaScript clears script content

function Stripscript (s) {    return s.replace (/<script.*?>.*?<\/script>/ig, ');}

17. Native JavaScript dynamic load script file

functionappendscript (src, text, reload, CharSet) {varid = hash (src +text); if(!reload && in_array (ID, evalscripts))return; if(Reload &&$ (ID))    {$ (ID). Parentnode.removechild ($ (ID));    } evalscripts.push (ID); varScriptnode = document.createelement ("Script"); Scriptnode.type= "Text/javascript"; Scriptnode.id=ID; Scriptnode.charset= CharSet? CharSet: (Browser.firefox?document.characterSet:document.charset); Try {        if(SRC) {scriptnode.src=src; Scriptnode.onloaddone=false; Scriptnode.onload=function() {Scriptnode.onloaddone=true; JSLOADED[SRC]= 1;            }; Scriptnode.onreadystatechange=function () {                if(Scriptnode.readystate = = ' Loaded ' | | scriptnode.readystate = = ' complete ') &&!scriptnode.onloaddone) {Scriptnode.onloaddone=true; JSLOADED[SRC]= 1;        }            }; } Else if(text) {Scriptnode.text=text; } document.getelementsbytagname (' head ') [0].appendchild (Scriptnode); } Catch(e) {}}

18. Native JavaScript returns the element object retrieved by ID

function $ (ID) {    returnnull  : document.getElementById (ID);}

19. Native JavaScript returns browser version content

functionbrowserversion (types) {varother = 1;  for(Iinchtypes) {        varv = types[i]?Types[i]: i; if(Useragent.indexof (v)! =-1) {            varRe =NewRegExp (v + ' (\\/|\\s) ([\\d\\.] +) ', ' IG '); varMatches =re.exec (useragent); varver = matches! =NULL? MATCHES[2]: 0; Other= ver!== 0 && v! = ' Mozilla '? 0: Other; }Else {            varver = 0; } eval (' BROWSER. ' + i + ' = Ver '); } browser.other=Other ;}

20. Common method for native JavaScript element display

function $ (ID) {    returnnull  : document.getElementById (ID);} function display (ID) {    var obj = $ (ID);     if (obj.style.visibility) {        = obj.style.visibility = = ' Visible '? ' Hidden ': ' Visible ';     Else {        = Obj.style.display = = '? ' None ': ';    }}

Native JavaScript skills Collection (11~20)-(Finally I found this article again)

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