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    mvc 架構

      BlogJava :: 首頁 :: 聯系 :: 聚合  :: 管理
      74 Posts :: 60 Stories :: 5 Comments :: 0 Trackbacks
    posted on 2007-09-27 11:14 e全 閱讀(153) 評論(0)  編輯  收藏

    1)Alert box
    <html>
    <head>
    <script type="text/javascript">
    function disp_alert()
    {
    alert("I am an alert box!!")
    }
    </script>
    </head>
    <body>

    <input type="button" onclick="disp_alert()" value="Display alert box" />

    </body>
    </html>

    (2) confirm box
    <html>
    <head>
    <script type="text/javascript">
    function disp_confirm()
    ? {
    ? var r=confirm("Press a button")
    ? if (r==true)
    ??? {
    ??? document.write("You pressed OK!")
    ??? }
    ? else
    ??? {
    ??? document.write("You pressed Cancel!")
    ??? }
    ? }
    </script>
    </head>
    <body>

    <input type="button" onclick="disp_confirm()" value="Display a confirm box" />

    </body>
    </html>

    (3)
    Prompt box

    <html>
    <head>
    <script type="text/javascript">
    function disp_prompt()
    ? {
    ? var name=prompt("Please enter your name","Harry Potter")
    ? if (name!=null && name!="")
    ??? {
    ??? document.write("Hello " + name + "! How are you today?")
    ??? }
    ? }
    </script>
    </head>
    <body>

    <input type="button" onclick="disp_prompt()" value="Display a prompt box" />

    </body>
    </html>

    (4)
    ?Call a function1

    <html>
    <head>

    <script type="text/javascript">
    function myfunction()
    {
    alert("HELLO")
    }
    </script>

    </head>
    <body>

    <form>
    <input type="button"
    onclick="myfunction()"
    value="Call function">
    </form>

    <p>By pressing the button, a function will be called. The function will alert a message.</p>

    </body>
    </html>


    (5)
    Function with an argument

    <html>
    <head>

    <script type="text/javascript">
    function myfunction(txt)
    {
    alert(txt)
    }
    </script>

    </head>
    <body>

    <form>
    <input type="button"
    onclick="myfunction('Hello')"
    value="Call function">
    </form>

    <p>By pressing the button, a function with an argument will be called. The function will alert
    this argument.</p>

    </body>
    </html>


    (7)Function with an argument 2

    <html>
    <head>
    <script type="text/javascript">
    function myfunction(txt)
    {
    alert(txt)
    }
    </script>
    </head>

    <body>
    <form>
    <input type="button"
    onclick="myfunction('Good Morning!')"
    value="In the Morning">

    <input type="button"
    onclick="myfunction('Good Evening!')"
    value="In the Evening">
    </form>

    <p>
    When you click on one of the buttons, a function will be called. The function will alert
    the argument that is passed to it.
    </p>

    </body>
    </html>

    (8)
    Function_return
    <html>
    <head>

    <script type="text/javascript">
    function myFunction()
    {
    return ("Hello, have a nice day!")
    }
    </script>

    </head>
    <body>

    <script type="text/javascript">
    document.write(myFunction())
    </script>

    <p>The script in the body section calls a function.</p>

    <p>The function returns a text.</p>

    </body>
    </html>

    (9)

    <html>
    <head>
    <script type="text/javascript">
    function product(a,b)
    {
    return a*b
    }
    </script>
    </head>

    <body>
    <script type="text/javascript">
    document.write(product(4,3))
    </script>
    <p>The script in the body section calls a function with two parameters (4 and 3).</p>
    <p>The function will return the product of these two parameters.</p>
    </body>
    </html>

    (10)
    loop

    <html>
    <body>

    <script type="text/javascript">
    for (i = 0; i <= 5; i++)
    {
    document.write("The number is " + i)
    document.write("<br />")
    }
    </script>

    <p>Explanation:</p>

    <p>This for loop starts with i=0.</p>

    <p>As long as <b>i</b> is less than, or equal to 5, the loop will continue to run.</p>

    <p><b>i</b> will increase by 1 each time the loop runs.</p>

    </body>
    </html>


    (11)
    <html>
    <body>

    <script type="text/javascript">
    for (i = 1; i <= 6; i++)
    {
    document.write("<h" + i + ">This is header " + i)
    document.write("</h" + i + ">")
    }
    </script>

    </body>
    </html>


    (12)
    <html>
    <body>

    <script type="text/javascript">
    i = 0
    while (i <= 5)
    {
    document.write("The number is " + i)
    document.write("<br />")
    i++
    }
    </script>

    <p>Explanation:</p>

    <p><b>i</b> is equal to 0.</p>

    <p>While <b>i</b> is less than , or equal to, 5, the loop will continue to run.</p>

    <p><b>i</b> will increase by 1 each time the loop runs.</p>

    </body>
    </html>

    (13)
    <html>
    <body>

    <script type="text/javascript">
    i = 0
    do
    {
    document.write("The number is " + i)
    document.write("<br />")
    i++
    }
    while (i <= 5)
    </script>

    <p>Explanation:</p>

    <p><b>i</b>? equal to 0.</p>

    <p>The loop will run</p>

    <p><b>i</b> will increase by 1 each time the loop runs.</p>

    <p>While <b>i</b> is less than , or equal to, 5, the loop will continue to run.</p>


    </body>
    </html>

    (14)
    <html>
    <body>
    <script type="text/javascript">
    var i=0
    for (i=0;i<=10;i++)
    {
    if (i==3){break}
    document.write("The number is " + i)
    document.write("<br />")
    }
    </script>
    <p>Explanation: The loop will break when i=3.</p>
    </body>
    </html>

    (15)
    <html>
    <head>
    <script type="text/javascript">
    var txt=""
    function message()
    {
    try
    ?? {
    ?? adddlert("Welcome guest!")
    ?? }
    catch(err)
    ?? {
    ?? txt="There was an error on this page.\n\n"
    ?? txt+="Error description: " + err.description + "\n\n"
    ?? txt+="Click OK to continue.\n\n"
    ?? alert(txt)
    ?? }
    }
    </script>
    </head>

    <body>
    <input type="button" value="View message" onclick="message()" />
    </body>

    </html>



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