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POJavascript Setting multiple onmouseover events with a for loop
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  1. POJavascript Setting multiple onmouseover events with a for loop
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    copied!<p>Sorry, I'm new to javascript so if my coding style is strange please point it out</p> <p>Here's what I have:</p> <pre><code>document.getElementById("img1-container").onmouseover = function(){increaseWidth(1)}; document.getElementById("img2-container").onmouseover = function(){increaseWidth(2)}; document.getElementById("img3-container").onmouseover = function(){increaseWidth(3)}; document.getElementById("img4-container").onmouseover = function(){increaseWidth(4)}; </code></pre> <p>Here's what I'm trying to convert it into:</p> <pre><code>for(var i = 1; i &lt;= numimages; i++){ (function (i) { document.getElementById("img"+i+"-container").onmouseover = function(){increaseWidth(i)}; document.getElementById("img"+i+"-container").onmouseout = decreaseWidth; })(i); } </code></pre> <p>I've read this: <a href="https://stackoverflow.com/questions/8672416/creating-a-loop-from-a-series-of-onmouseover-events">Creating a loop from a series of onMouseOver Events</a></p> <pre><code>var numImages = 7; var totalPercent = 100; var increaseWidthPercent = 40; var decreaseWidthPercent = Math.floor((totalPercent-increaseWidthPercent)/numImages); var originalWidthPercent = Math.floor(totalPercent/numImages); function increaseWidth(imgNum){ document.getElementById("img"+imgNum+"-container").style.width = increaseWidthPercent + "%"; for(var i = 1; i &lt;= numImages; i++){ if(i != imgNum){ document.getElementById("img"+i+"-container").style.width = decreaseWidthPercent + "%"; } } return true; } function decreaseWidth(){ for(var i = 1; i &lt;= numImages; i++){ document.getElementById("img"+i+"-container").style.width = originalWidthPercent + "%"; } return true; } function setImageContainers(){ /*for(var i = 1; i &lt; 8; i++){ document.write("&lt;p&gt;document.getElementById(\"img"+i+"-container\").onmouseover = function(){increaseWidth("+i+")};document.getElementById(\"img"+i+"-container\").onmouseout = decreaseWidth;&lt;/p&gt;"); }*/ document.getElementById("img1-container").onmouseover = function(){increaseWidth(1)};document.getElementById("img1-container").onmouseout = decreaseWidth; document.getElementById("img2-container").onmouseover = function(){increaseWidth(2)};document.getElementById("img2-container").onmouseout = decreaseWidth; document.getElementById("img3-container").onmouseover = function(){increaseWidth(3)};document.getElementById("img3-container").onmouseout = decreaseWidth; document.getElementById("img4-container").onmouseover = function(){increaseWidth(4)};document.getElementById("img4-container").onmouseout = decreaseWidth; document.getElementById("img5-container").onmouseover = function(){increaseWidth(5)};document.getElementById("img5-container").onmouseout = decreaseWidth; document.getElementById("img6-container").onmouseover = function(){increaseWidth(6)};document.getElementById("img6-container").onmouseout = decreaseWidth; document.getElementById("img7-container").onmouseover = function(){increaseWidth(7)};document.getElementById("img7-container").onmouseout = decreaseWidth; } function setImageContainers2(){ for(var i = 1; i &lt;= numimages; i++){ (function (i) { document.getElementById("img"+i+"-container").onmouseover = function(){increaseWidth(i)}; document.getElementById("img"+i+"-container").onmouseout = decreaseWidth; })(i); } } window.onload = setImageContainers2; </code></pre>
 

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