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POJavascript: toggling an input label on and off only works on the last label in the form
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5021843
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5022170
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3
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0
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2011-02-16T20:40:09.197
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0
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2011-02-16T21:26:24.230
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0
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620309
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1
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695
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text
Body
<p>I'm trying to make labels toggle on and off when their respective inputs are clicked. However my code just turns off the last label in the form. I know jQuery would be the best solution, but I'm trying to get to grips with Javascript. I would greatly appreciate any help. Many thanks! :)</p> <pre><code><html> <head> <script type="text/javascript"> window.onload=foo; function foo(){ function ToggleLabels(form){ var oForm = document.forms[form]; // this function will add events to objects. function addEvent(object,eType,eWindowsType,func,bubble){ if(window.addEventListener){ object.addEventListener(eType,func,bubble); } if(window.attachEvent){ object.attachEvent(eWindowsType,func); } } //toggles the display of the labels function toggle(input,label){ alert(label.innerHTML) if(input.value == ''){ if(label.style.display == 'none'){ label.style.display = 'inline'; } else{ label.style.display = 'none'; } } else{ label.style.display = 'none'; } } // Loop through all text inputs in the form and add the toggle functionality for(var i=0; i < oForm.length; i++){ if(oForm.elements[i].type == 'text'){ var oInput = oForm.elements[i]; var oLabel = oInput.previousSibling; addEvent(oInput,'click','onclick',function(){toggle(oInput,oLabel)},false); } } } new ToggleLabels(0); } </script> </head> <body> <form> <label for="name" id="nameL">Name: </label><input id="name" type="text" name="name"/> <label for="age">Age: </label><input type="text" name="age"/> <label for="gender">Gender: </label><input type="text" name="gender"/> </form> </body> </html> </code></pre>
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<javascript><forms><toggle>
Title
Javascript: toggling an input label on and off only works on the last label in the form
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1. USGary Ryan
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