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JavaScript Fundementals

Discussion in 'CIW Certifications' started by Mix'Creations, May 8, 2009.

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  1. Mix'Creations

    Mix'Creations Nibble Poster

    Hi all!

    Im currently learning JavaScript via SkillsTrain, and so up to date im on Section 2 Part A, i do have slight problems coding up (though i do understand and write about 80%) but nowt major.

    Anyway, the reason im writing this is that at the end of Lesson 5 your given an Application project to test what you have learnt, thus ok, but its asking me to experiment with various techniques to present images, i may be missing something here but as i have only followed material and not exactly coded script myself, i am Zumped (baffled, lost, confused) by this, i do know coding elements etc (obviously) but how to put them together is another thing.

    Please help.


    Ps: I know the properties and elements of the image object, to which i am referring to, but not exactly how to code them together.As in the example code below, where would you put the length property, and how, i know the rest, but this ones doing my head in.

    Here's the coding, many thanks:

    <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">

    <TITLE>Lesson 5 Application Project</TITLE>

    <SCRIPT LANGUAGE="JavaScript">

    function display_image(selectedImage) {

    var selectionName = selectedImage.options[selectedImage.selectedIndex].text;
    var selection = selectedImage.options[selectedImage.selectedIndex].value;

    myWindow =window.open("", "Preview", "toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=1,width=200,height=295");

    myWindow.document.write("<HTML><HEAD><TITLE>Micks Image</TITLE>\n");
    myWindow.document.write("</HEAD><BODY BGCOLOR='yellow' TEXT='red'>\n");
    myWindow.document.write("<DIV ALIGN='CENTER'><H3>" + selectionName + "</H3><HR>\n");
    myWindow.document.write("<IMG HEIGHT='150' WIDTH='150' SRC='" + selection + "'>\n");
    myWindow.document.write("<HR><FORM><INPUT TYPE='button' class='button' VALUE='OK' " +



    <H3>CIW Web Languages</H3>

    <B>To preview, select an image name from the list.


    <FORM NAME="form1">
    <SELECT NAME="imageName" onChange="display_image(this); this.selectedIndex=0;">
    <OPTION>Select An Image
    <OPTION VALUE="images/mountains.jpg">Mountains
    <OPTION VALUE="images/trees.jpg">Trees
    <OPTION VALUE="images/sunset1.jpg">Sunset

    Certifications: 1D0-510) CIW Web Foundations Associate,
    WIP: On route to Guru

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