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POHow to set the height of a component in html to a parcentage of a parent component?
 

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  1. POHow to set the height of a component in html to a parcentage of a parent component?
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    <p>I'm working on a web application and we are developing it in Java and jsf. I made a component for selecting data which is used inside other components (like wizards, modal panels and so on). Thing is, I need to set the height of the component to a percentage of the wizards height it's inside. I tried with javascript, and the problem I have is that the window.onload command doesn't work when I have it inside of my component. For now I'm just trying to alert() the height of the parent component, but it doesn't work. This is my code:</p> <pre><code>&lt;script type="text/javascript"&gt; &lt;![CDATA[ window.onload = setHeight; function setHeight() { var element = document.getElementById("#{rich:clientId('mainWizardDiv')}"); var h = window.getComputedStyle(element, null).getPropertyValue("height"); alert(h); } ]]&gt; &lt;/script&gt; </code></pre> <p>Do you have any other suggestion how this could be done, some way i could go around using onload, or any other idea. Thanks.</p>
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    1. COwindow is the global scope, not a DOM object. Try tu use an eventListener on a DOM object: document.body.addEventListener('load', setHeight);
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      1. POHow to set the height of a component in html to a parcentage of a parent component?
      1. USAdrian Maire
    2. COWhat do you mean by "It doesn't work"? Please try to be more accurate : is the function `setHeight` called at the `onload`? Does `h`have any value? Is your script in the body or the head?
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      1. USBigood
    3. CO`h` has a value, and the setHeight() function does work. Problem is that it isn't called when I get to the page with my component.
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