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WD - Using Javascript on Html control

Posted by Gianni Spano 
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Gianni Spano
WD - Using Javascript on Html control
February 15, 2021 07:47PM
Hello to all

I'm trying to figure out, and if it is possible, to add an 'eventListener' in javascript code inside a Windev Html control.

I know that is possible to load the scripts from an html page, but if i try to declare a simple script like this below, the control doesn't react to the 'onmousemove' and 'onmouseover'.


<html>
<body>
<h2>JavaScript addEventListener()</h2>

<p>This example uses the addEventListener() method to add many events on the same button.</p>

<button id="myBtn">Try it</button>

<p id="demo"></p>

<script>
var x = document.getElementById("myBtn");
x.addEventListener("mouseover", myFunction);
x.addEventListener("click", mySecondFunction);
x.addEventListener("mouseout", myThirdFunction);

function myFunction() {
document.getElementById("demo").innerHTML += "Moused over!<br>";
}

function mySecondFunction() {
document.getElementById("demo").innerHTML += "Clicked!<br>";
}

function myThirdFunction() {
document.getElementById("demo").innerHTML += "Moused out!<br>";
}
</script>

</body>
</html>


Does anyone have tested some solution in Windev?

Thanks
Gianni
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cabinetman
Re: WD - Using Javascript on Html control
February 18, 2021 05:53AM
Hello Gianni,
I do not use webdev but saw this in the help

JSEvent
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Gianni Spano
Re: WD - Using Javascript on Html control
February 18, 2021 01:25PM
Hello Cabinetman

Thank for your reply, but i'm not using Webdev, but Windev on an Html ctrl inside a form.

It seems that the Html ctrl is not fully compatible to use an "eventListener" function inside an Html page o Html file loaded in a Html ctrl.

Of course this is a limitation on its use.
What i'm trying to do is to load a marina map (an image as background), reading some rectangles and/or polygons coordinates to intercept the click to load the informations of the berth clicked and so on.

This could be a solution for my application, but it doesn't run for its limitation. confused smiley

Thank anyway for your attection.

Gianni
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pietvanz
Re: WD - Using Javascript on Html control
February 18, 2021 02:01PM
Hi Gianno,

I did a quick test and your code works in Windev 22.
So I think you forgot to check the option "Allow the execution of scipts" on the general tab of the control.

Best regards,
Piet
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Gianni Spano
Re: WD - Using Javascript on Html control
February 18, 2021 07:56PM
Hello Piet

Yes, you are right. A stupid forgetfulness. :-)

Thanks

Gianni
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