Restauration d'un ancien script

Version imprimable

Bonjour,

Je suis entrain de restaure un vieux site que je développais il y a 20 ans avec quelques amis.
Seulement voilà, je me retrouve en présence d'un script javascript qui ne fonctionne plus dans les
navigateurs modernes.

Quelqu'un pourrait-il m'aider svp ?

Le script fait agrandir et rétrécie le texte en affichant alternativement les parties de phrase.
Je joins une vidéo: https://www.youtube.com/watch?v=qq7Pp9PukGA

Code:

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<body background="images/bulvert.jpg" bgproperties="fixed">
 
<h1 align="center">
<BASEFONT>
<font color="#ff00ff"></h1>
<h1>
    <script language=JavaScript>
        // Defining variables
        var speed = 20;
        var cycledelay = 100;
        var maxsize = 60;
 
        var x = 0;
        var y = 0;
        var themessage, size;
        var esize = "</font>";
 
        function initArray() {
            this.length = initArray.arguments.length;
            for (var i = 0; i < this.length; i++) {
                this[i] = initArray.arguments[i];
            }
        }
        var themessage2 = new initArray(
        // Page Growing and Shriking Title
        "Welcome",
        "To Tortue",
        "Dgéniale",
        "Island"
        );
        if(navigator.appName == "Netscape")
        document.write('<layer id="wds"></layer><br>');
        if (navigator.appVersion.indexOf("MSIE") != -1)
        document.write('<span id="wds"></span><br>');
        function upwords(){     // Growing Text Function
            themessage = themessage2[y];
            if (x < maxsize) {
                x++;
                setTimeout("upwords()",speed);
            }
            else setTimeout("downwords()",cycledelay);
 
            if(navigator.appName == "Netscape") {
                size = "<font point-size='"+x+"pt'>"; 
                document.wds.document.write(size+"<center>"+themessage+"</center>"+esize);
                document.wds.document.close();
            }
            if (navigator.appVersion.indexOf("MSIE") != -1){
                wds.innerHTML = "<center>"+themessage+"</center>";
                wds.style.fontSize=x+'px'
           }
        } 
        function downwords(){   //Shrinking Text Function
            if (x > 1) {
                x--;
                setTimeout("downwords()",speed);
            }
            else {
                setTimeout("upwords()",cycledelay);
                y++;
                if (y > themessage2.length - 1) y = 0;
            }
            if(navigator.appName == "Netscape") {
                size = "<font point-size='"+x+"pt'>"; 
                document.wds.document.write(size+"<center>"+themessage+"</center>"+esize);
                document.wds.document.close();
            }
            if (navigator.appVersion.indexOf("MSIE") != -1){
                wds.innerHTML = "<center>"+themessage+"</center>";
                wds.style.fontSize=x+'px'
           }
        }
        setTimeout("upwords()",speed);
    </script>
</h1>
 
<!-- Displaying Images -->
<p align="center"><img border="0" src="images/chezmoi.jpg" align="left" width="425" height="522" alt="Tu t'es perdu ?">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</p>
<p align="center">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;<img border="0" src="images/dgeniale2.gif" width="175" height="205">&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<applet code="fphover.class" codebase="./" width="215" height="38">
 
<!-- Button Applet -->
<applet>
    <param name="hovercolor" value="#0000FF">
    <param name="textcolor" value="#FFFFFF">
    <param name="text" value="Pourquoi Tortue Dgéniale ?">
    <param name="color" value="#FF0066">
    <param name="effect" value="glow">
    <param name="font" value="Dialog">
    <param name="fontstyle" value="bold">
    <param name="fontsize" value="14">
    <param name="url" valuetype="ref" value="history.htm">
    <param name="target" value="_self">
</applet>
</p>
<p align="center">
    <img border="0" src="images/dgeniale3.gif" width="175" height="205">
</p>

jour

il faut supprimer toutes le référence a netscape et laisser celles de ie ce qui donne

Code:

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<body background="images/bulvert.jpg" bgproperties="fixed">
 
<h1 align="center">
<BASEFONT>
<font color="#ff00ff"></h1>
<h1>
    <script language=JavaScript>
        // Defining variables
        var speed = 20;
        var cycledelay = 100;
        var maxsize = 60;
 
        var x = 0;
        var y = 0;
        var themessage, size;
        var esize = "</font>";
 
        function initArray() {
            this.length = initArray.arguments.length;
            for (var i = 0; i < this.length; i++) {
                this[i] = initArray.arguments[i];
            }
        }
        var themessage2 = new initArray(
        // Page Growing and Shriking Title
        "Welcome",
        "To Tortue",
        "Dgéniale",
        "Island"
        );
 
        document.write('<span id="wds"></span><br>');
 
 
        function upwords(){     // Growing Text Function
            themessage = themessage2[y];
            if (x < maxsize) {
                x++;
                setTimeout("upwords()",speed);
            }
            else setTimeout("downwords()",cycledelay);
 
 
                wds.innerHTML = "<center>"+themessage+"</center>";
                wds.style.fontSize=x+'px'
 
        } 
        function downwords(){   //Shrinking Text Function
            if (x > 1) {
                x--;
                setTimeout("downwords()",speed);
            }
            else {
                setTimeout("upwords()",cycledelay);
                y++;
                if (y > themessage2.length - 1) y = 0;
            }
 
                wds.innerHTML = "<center>"+themessage+"</center>";
                wds.style.fontSize=x+'px'
        }
 
        setTimeout("upwords()",speed);
    </script>
</h1>
 
<!-- Displaying Images -->
<p align="center"><img border="0" src="images/chezmoi.jpg" align="left" width="425" height="522" alt="Tu t'es perdu ?">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</p>
<p align="center">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; &nbsp;&nbsp;<img border="0" src="images/dgeniale2.gif" width="175" height="205">&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<applet code="fphover.class" codebase="./" width="215" height="38">
 
<!-- Button Applet -->
<applet>
    <param name="hovercolor" value="#0000FF">
    <param name="textcolor" value="#FFFFFF">
    <param name="text" value="Pourquoi Tortue Dgéniale ?">
    <param name="color" value="#FF0066">
    <param name="effect" value="glow">
    <param name="font" value="Dialog">
    <param name="fontstyle" value="bold">
    <param name="fontsize" value="14">
    <param name="url" valuetype="ref" value="history.htm">
    <param name="target" value="_self">
</applet>
</p>
<p align="center">
    <img border="0" src="images/dgeniale3.gif" width="175" height="205">
</p>

05/09/2023, 22h58
ProgElecT

Salut
en passant
<script language=JavaScript> inutile de préciser JavaScript, il s'agit du paramètre par défaut dans tous les navigateurs actuels.
<script> suffit
06/09/2023, 07h49
Neelix57

Je vous remercie pour vos réponses.

Bonjour,
pourquoi ne pas mettre les pieds en plein XXI éme siécle :mrgreen:

De nos jours cela se réalise « facilement » en CSS.
Structure HTML :

Code:

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<div class="anim-title">
  <span style="--inc:0">Welcome</span>
  <span style="--inc:1">To Tortue</span>
  <span style="--inc:2">Dgéniale</span>
  <span style="--inc:3">Island</span>
</div>

CSS associé, à adapter :

Code:

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.anim-title {
  display: flex;
  position: relative;
  align-items: center;
  width: 10em;
  height: 2em;
  margin: auto;
  text-align: center;
  font-size: 4em;
  font-weight: 700;
  color: #069;
  background: #DEF;
}
.anim-title span {
  --step: 1.5s;
  position: absolute;
  right: 0;
  left: 0;
  animation: zoom-in-out calc(var(--step) * 4) infinite;
  animation-delay: calc(var(--inc) * var(--step));
  transform-origin: center;
  scale: 0;
}
 
@keyframes zoom-in-out {
  0%, 50%, 100% {
    opacity: 0;
    scale: 0;
  }
  25% {
    opacity: 1;
    scale: 1;
  }
}

Si besoin de plus d'infos ...