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Temperature Converter
This code allows the user to switch temperatures between Fahrenheit and Celsius.
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<script type="text/javascript"> // Temperature Converter by Mithras function cal() { var form = document.tempform; var start = form.start.value; var from = form.from.value; var to = form.to.value; var ans = document.getElementById('ans'); if(from == 'F') { if(to == 'F') ans.innerHTML = start; else ans.innerHTML = (start - 32) / 1.8; } else { if(to == 'C') ans.innerHTML = start; else ans.innerHTML = (start * 1.8) + 32; } ans.innerHTML += ' °' + to; } </script> <div align="center" width="400"> <form name="tempform" action="javascript:cal()"> Temperature: <input type="text" size="4" maxlength="7" name="start" /><br /><br /> <table cellspacing="0" cellpadding="2" border="0" width="200" align="center"> <tr><td width="50%" align="center">From: <select name="from"><option value="F">Fahrenheit</option><option value="C">Celsius</option></select></td><td width="50%" align="center">To: <select name="to"><option value="F">Fahrenheit</option><option value="C">Celsius</option></select> </table><br /><br /> <input type="submit" value="Convert" /> </form> Converted Temperature: <span id="ans"></span> </div>
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