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POWhy cant my javascript work for all?
 

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  1. POWhy cant my javascript work for all?
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    <p>Hi currently I wrote this java script to be able to display and hide contents from the selected tabs. But when i tried creating another UL tag, my script only apply to my first UL tag but not the second. Anybody can help me? the following is my java script.</p> <pre><code>var tabLinks = new Array(); var contentDivs = new Array(); function init() { // Assign onclick events to the tab links, and // highlight the first tab var i = 0; for ( var id in tabLinks ) { tabLinks[id].onclick = showTab; tabLinks[id].onfocus = function() { this.blur() }; if ( i == 0 ) tabLinks[id].className = 'selected'; i++; } // Hide all content divs except the first var i = 0; for ( var id in contentDivs ) { if ( i != 0 ) contentDivs[id].className = 'tabContent hide'; i++; } } function showTab() { var selectedId = getHash( this.getAttribute('href') ); // Highlight the selected tab, and dim all others. // Also show the selected content div, and hide all others. for ( var id in contentDivs ) { if ( id == selectedId ) { tabLinks[id].className = 'selected'; contentDivs[id].className = 'tabContent'; } else { tabLinks[id].className = ''; contentDivs[id].className = 'tabContent hide'; } } // Stop the browser following the link return false; } function getFirstChildWithTagName( element, tagName ) { for ( var i = 0; i &lt; element.childNodes.length; i++ ) { if ( element.childNodes[i].nodeName == tagName ) return element.childNodes[i]; } } function getHash( url ) { var hashPos = url.lastIndexOf ( '#' ); return url.substring( hashPos + 1 ); } </code></pre>
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    1. USuser3128861
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    1. COAt a guess, don't use `getFirstChildWithTagName`.
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      1. POWhy cant my javascript work for all?
      1. USElliott Frisch
    2. COTip: Don't use `for..in` to loop arrays, use regular `for` loops. Maybe you want an object?
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      1. POWhy cant my javascript work for all?
      1. USelclanrs
    3. CODo you know how to use console? If you don't: right click, "inspect element," then click to the console tab for js error messages. At least that's it in chrome, should be similar in other browsers.
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      1. POWhy cant my javascript work for all?
      1. USJames G.
 

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