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Thread: Creating function to expand/close all nodes

  1. #1
    Join Date
    Sep 2012
    Posts
    3

    Cool Creating function to expand/close all nodes

    Hey guys,

    I got these codes:

    JS:
    Code:
    <script language="JavaScript" type="text/javascript">
    function openClose(theID) {
    if (document.getElementById(theID).style.display == "block") { document.getElementById(theID).style.display = "none" }
    else { document.getElementById(theID).style.display = "block" } }
    </script>
    CSS:
    Code:
    .texter {display:none} @media print {.texter {display:block;}}
    HTML:
    Code:
    <a class= "link_item" href="#" onclick="openClose('a2'); return false;">Link</a><br/>
    <br/><br/>
    <div id="a2" class="texter">BLA BLA BLA</div>
    I want to create an "Open/Close all" function.
    All my tries have not succeeded.

    Please help me.

    Regards!

  2. #2
    Join Date
    Jun 2004
    Location
    Portsmouth UK
    Posts
    2,709
    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.w3.org/1999/xhtml" xml:lang="en" lang="en">
    
    <head>
      <title></title>
    <style type="text/css">
    /*<![CDATA[*/
    .texter {display:none} @media print {.texter {display:block;}}
    /*]]>*/
    </style>
    <script type="text/javascript">
    /*<![CDATA[*/
    
    function Open(cls,bid,open,close){
      var b=document.getElementById(bid),reg=new RegExp('\\W'+cls+'\\W'),els=document.getElementsByTagName('DIV'),z0=0;
      b.value=b.value==open?close:open;
      for (;z0<els.length;z0++){
       if(reg.test(' '+els[z0].className+' ')){
        els[z0].style.display=b.value==close?'block':'none';
       }
      }
    }
    
    
    /*]]>*/
    </script>
    </head>
    
    <body>
    
    <input id="b" type="button" name="" value="Open" onmouseup="Open('texter','b','Open','Close');"/>
    <div id="a2" class="texter">BLA BLA BLA</div>
    <div id="a3" class="texter">BLA BLA BLA</div>
    </body>
    
    </html>
    Vic

    God loves you and will never love you less.

    http://www.vicsjavascripts.org/Home.htm
    If my post has been useful please donate to http://www.operationsmile.org.uk/

  3. #3
    Join Date
    Sep 2012
    Posts
    3
    1. Thank you for helping.

    2. Sorry,
    But I think you got me wrong.

    My goal is to add a function (to the current expand/close specific).

    Or I got you wrong... - You did not post HTML code neither.

    Regards.

  4. #4
    Join Date
    Aug 2012
    Location
    Belgium
    Posts
    66

    jquery

    In jquery, there's a function called toggle() that will help.

    <script language="JavaScript" type="text/javascript">
    function openCloseAll(){
    $('a').toggle();
    }
    </script>

    of course, this supposes that all tags are visible or all tags are closed.
    If one must remain open or closed when you call the function, change it in this way:

    <script language="JavaScript" type="text/javascript">
    function openCloseAll(){
    $('a').toggle();
    $(this).toggle();
    }
    </script>

    <a href="#" onclick="openCloseAll()">abc</a>

    adding a class let's you filter the target anchors...

    <script language="JavaScript" type="text/javascript">
    function openCloseAll(){
    $('a.openclose').toggle();
    $(this).toggle();
    }
    </script>

    <a href="#" onclick="openCloseAll()" class="openclose">abc</a>

  5. #5
    Join Date
    Sep 2012
    Posts
    3
    Hey,
    I've tried the function but it hides most parts of my webpage

  6. #6
    Join Date
    Aug 2012
    Location
    Belgium
    Posts
    66

    Cool

    It's only a question of choosing the right selector.
    Adding classes helps to filter your selection.
    http://api.jquery.com/category/selectors/

    methods hide(), show(), toggle(), fadeIn(), fadeOut(), addClass(), removeClass() and css() will be the most usefull to play on the visibility of your elements.
    http://api.jquery.com/category/css/
    http://api.jquery.com/category/effects/

    I hope this will be of some help
    Last edited by Gudlife; 09-16-2012 at 04:39 AM.

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