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Printing with Style

, 23 Sep 2003
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Make your web pages printer-friendly.

Introduction

There're a lot of techniques used on the net to create nice looking prints from web pages. Some take a copy of the pages and remove unwanted elements manually, some do it by opening a new print-friendly page using a server side script (ASP, PHP, Perl, ...). I prefer doing it with style Smile | :)

Style

Doing it with style is simple and elegant; you create a separate style sheet with elements suited for print:

  • Set the background to white (background:#ffffff;)
  • Underline links (text-decoration:underline), and maybe color them blue for users with a color printer
  • Hide unwanted parts using display:none;

You attach the style sheet using:

<head>
<link rel="stylesheet" type="text/css" href="..." media="print" />
</head>

media="print" (IE 4+, Netscape 6+ and Opera 3.62+) tells the browser to use this only when you print the page.

This is how I attach my print.css.

<link rel="stylesheet" type="text/css" 
   href="css/print.css" media="print" />

You can test it by printing one of my pages, if you print my Links page you'll also see how I append external links (IE 6+ only):

body { 
    color : #000000; 
    background : #ffffff; 
    font-family : verdana,arial,sans-serif;
    font-size : 12pt;  
}
h2 {
    font-size : 14pt;
}
a { 
    text-decoration : underline; 
    color : #0000ff; 
}

#logo,#head,#menu,#tail,#printicon, {
    display : none;
}

#appendedlinks {
    page-break-before: always 
}

Append external links

A nice feature is to append all external links in the webpage, to the print document. This is implemented on my pages using the following JavaScript:

// 
// IE only: attach eventhandlers.
// They trigger when a user  prints a web page; 
//     From File->Print, File->Print Preview or
//     by executing a window.print() command 
//
window.onbeforeprint=beforePrint
window.onafterprint=afterPrint

function beforePrint() {
    appendlinks(content);
}

function afterPrint() {
    removelinks(appendedlinks);
}


//
// Generic print function, called from the web page
//
function printContent() {
    if (window.print) {
           window.print();
    } else {
        alert("your browser doesn't support this function")
    }
}


// 
// When appending links to the document, do not 
// append links pointing to the following domains / sites
//

var excludedomains=["soderlind.no", "soderlind.org","localhost"]
var excludedomains=excludedomains.join("|")
rexcludedomains=new RegExp(excludedomains, "i")

//
// appendlinks(id)
// id = id of the part of the web page you want to extract links from
//      ex: document.body
//

function appendlinks(id){
    
    var strD = "<p/>";
    var num = 0;
    if (document.getElementById){
        var links=id.getElementsByTagName("A")    
        var total=links.length
        strD += "<dl id=\"appendedlinks\" border=0>"
        strD += "<dt><h2>Links extracted from the document:</h2></dt>"
        for (i=0;i<total;i++){
            if (links[i].hostname.search(rexcludedomains)==-1 
                && links[i].href.indexOf("http:")!=-1) {
                strD += '<dt>'+links[i].innerText+'</dt>'
                strD += '<dd>'+links[i]+'</dd>'
                num++;
            }
        }
        strD += "</dl>"

        if (id.insertAdjacentHTML && num>0)
            id.insertAdjacentHTML("beforeEnd",strD);
    }
}

//
// removelinks(id)
// After the print job is done, remove the appended links from the document
// id = appendedlinks
//
function removelinks(id) {
    if (document.getElementById){
        id.removeNode(true);
    }
}

Have fun coding (and printing).

License

This article has no explicit license attached to it but may contain usage terms in the article text or the download files themselves. If in doubt please contact the author via the discussion board below.

A list of licenses authors might use can be found here

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About the Author

Per S
Web Developer
Norway Norway
No Biography provided

Comments and Discussions

 
GeneralIs it possible to define print preferences in window.print() Pin
codrakon, 17-Mar-06 3:52
membercodrakon17-Mar-06 3:52 
GeneralIE 6.0.2900.2180 Pin
Dregor, 18-Dec-05 1:36
memberDregor18-Dec-05 1:36 
Generala lot of great css ebooks in http://www.ebook5.com Pin
Anonymous, 12-Aug-05 1:36
sussAnonymous12-Aug-05 1:36 
GeneralPrintig defined area Pin
tauchert, 26-Apr-05 3:45
membertauchert26-Apr-05 3:45 
GeneralIt was very useful Pin
TanGkaK, 7-Apr-05 15:47
memberTanGkaK7-Apr-05 15:47 
Generalprint landscape &amp; page break w/ Style Pin
CZIU, 5-May-04 12:34
memberCZIU5-May-04 12:34 
GeneralRe: print landscape &amp; page break w/ Style Pin
Quetininha, 28-May-04 6:27
sussQuetininha28-May-04 6:27 
GeneralRe: print landscape &amp; page break w/ Style Pin
Anonymous, 29-Jul-04 11:35
sussAnonymous29-Jul-04 11:35 
GeneralRe: print landscape &amp; page break w/ Style Pin
mjjvol, 21-Sep-04 2:29
membermjjvol21-Sep-04 2:29 
GeneralPlease help me~ Pin
charcoalc, 5-May-04 1:50
membercharcoalc5-May-04 1:50 
GeneralRe: Please help me~ Pin
Anonymous, 24-Sep-04 8:14
sussAnonymous24-Sep-04 8:14 
GeneralPrinting with more Style Pin
Per Søderlind, 10-Mar-04 5:43
sussPer Søderlind10-Mar-04 5:43 
GeneralRe: Printing with more Style Pin
Per Søderlind, 10-Mar-04 5:49
sussPer Søderlind10-Mar-04 5:49 
GeneralPrinting without page headers Pin
krixerx, 1-Oct-03 21:24
memberkrixerx1-Oct-03 21:24 
GeneralRe: Printing without page headers Pin
Dheth, 2-Oct-03 4:42
memberDheth2-Oct-03 4:42 
GeneralRe: Printing without page headers Pin
Stephen Quattlebaum, 16-Oct-03 7:39
memberStephen Quattlebaum16-Oct-03 7:39 
GeneralRe: Printing without page headers Pin
Dheth, 16-Oct-03 21:46
memberDheth16-Oct-03 21:46 
GeneralRe: Printing without page headers Pin
Anonymous, 26-Aug-04 4:21
sussAnonymous26-Aug-04 4:21 
GeneralRe: Printing without page headers Pin
Anonymous, 3-Sep-04 10:44
sussAnonymous3-Sep-04 10:44 
GeneralRe: Printing without page headers Pin
In-Active, 6-Apr-05 10:09
memberIn-Active6-Apr-05 10:09 
GeneralVery useful Pin
John Cardinal, 23-Sep-03 16:36
memberJohn Cardinal23-Sep-03 16:36 
GeneralGreate! And, fun to se some one from Norway in here. Pin
Jonas Follesø, 18-Sep-03 10:48
memberJonas Follesø18-Sep-03 10:48 
GeneralRe: Greate! And, fun to se some one from Norway in here. Pin
Per Soderlind, 18-Sep-03 15:25
memberPer Soderlind18-Sep-03 15:25 
GeneralRe: Greate! And, fun to se some one from Norway in here. Pin
E.Data Studios, 24-Sep-03 14:54
memberE.Data Studios24-Sep-03 14:54 
GeneralWell Done Pin
Blake Coverett, 18-Sep-03 9:25
memberBlake Coverett18-Sep-03 9:25 

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