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    <p>These are problems I found in your code:</p> <ul> <li><p>Line 1: Forms don't have a <code>.focus</code> method. What did you mean for that to do?</p></li> <li><p>Line 2: Change <code>.length</code> to <code>.elements</code>:</p> <pre><code>for (var i = 0; i &lt; document.getElementById("form").elements.length; i++ ) { var node = document.getElementById("form").elements[i]; ... </code></pre> <p><sub>The elements in the form are now aliased as <code>node</code>.</sub></p></li> <li><p>Lines 4: The <code>.focus</code>/<code>.blur</code> method doesn't return true if the element is out of focus. We're going to have to do it ourselves:</p> <pre><code>node.onfocus = function() { this.isInFocus = true; }; node.onblur = function() { this.isBlurred = !this.isInFocus; }; </code></pre> <p>The resulting code is as follows:</p> <pre><code>if ( node.isInfocus ) { ... } else if ( node.isBlurred ) { ... } </code></pre></li> <li><p>Line 9: Refer to above.</p></li> <li><p>Wrap the code in a <code>window.onload</code> to be able to use the DOM elements when the DOM has loaded.</p></li> </ul> <p>This is your revised code; let me know if it works for you:</p> <pre><code>var nodes = document.getElementById('form').elements, node; for ( var i = 0; i &lt; nodes.length; i++ ) (function(i) { nodes[i].onfocus = function() { this.isInFocus = true; }; nodes[i].onblur = function() { this.isBlurred = !this.isInFocus; }; })(i); for (var i = 0; i &lt; nodes.length; i++) { node = nodes[i]; if (node.type == 'text') { if (node.isInFocus) { var onode = node.nextSibling; onode.innerHTML = ""; valid = true; } else if (node.isBlurred) { var onode = node.nextSibling; onode.innerHTML = "Please Fill in Field"; valid = false; } } } </code></pre>
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    1. COI removed the valid var since it wasn't declared, but it stil doesn't seem to work.
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    2. CO@Crossman What valid var?
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    3. COthe Boolean variable valid.
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