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POCan I simplify/optimise this Jquery code at all?
 

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    <p>I've wrote some code that will check two dates - they are split into two day inputs (#enddate-1-dd, #date-1-dd), two month inputs (#enddate-1-mm, #date-1-mm) and two year inputs (#enddate-1, #date-1)</p> <p>I wanted to check first of all that they're all actually numbers, but then I wanted to check each one to make sure it's in a date format, at the moment it's like this:</p> <pre><code>function validate_form () { retVal = true; // if the statements below fail, return true if(retVal == true) { // check whether the available hours they've entered are a valid time! $(":text").each(function() { $this = $(this); // cache the object if (isNaN($this.val())) { $this.focus(); $.jGrowl('Please enter a valid date!', { theme: 'smoke' }); retVal = false; return false; } }); } if(retVal == true) { $("#date-1-dd").each(function() { $this = $(this); // cache the object if ($this.val() &gt; 31) { $this.focus(); $.jGrowl('Please enter a valid day, should be no more than 31!', { theme: 'smoke' }); retVal = false; return false; } }); } if(retVal == true) { $("#enddate-1-dd").each(function() { $this = $(this); // cache the object if ($this.val() &gt; 31) { $this.focus(); $.jGrowl('Please enter a valid day, should be no more than 31!', { theme: 'smoke' }); retVal = false; return false; } }); } if(retVal == true) { $("#date-1-mm").each(function() { $this = $(this); // cache the object if ($this.val() &gt; 12) { $this.focus(); $.jGrowl('Please enter a valid month, should be no more than 12!', { theme: 'smoke' }); retVal = false; return false; } }); } if(retVal == true) { $("#enddate-1-mm").each(function() { $this = $(this); // cache the object if ($this.val() &gt; 12) { $this.focus(); $.jGrowl('Please enter a valid month, should be no more than 12!', { theme: 'smoke' }); retVal = false; return false; } }); } if(retVal == true) { $("#date-1").each(function() { $this = $(this); // cache the object if ($this.val() &lt; 1900 || $this.val() &gt; 3000) { $this.focus(); $.jGrowl('Please enter a valid year!', { theme: 'smoke' }); retVal = false; return false; } }); } if(retVal == true) { $("#enddate-1").each(function() { $this = $(this); // cache the object if ($this.val() &lt; 1900 || $this.val() &gt; 3000) { $this.focus(); $.jGrowl('Please enter a valid year!', { theme: 'smoke' }); retVal = false; return false; } }); } return retVal; // return either true or false, depending on what happened up there! ^ </code></pre> <p>}</p> <p>Sorry if it seems like I'm asking a silly question, as my code is working okay, I just think it's a rubbish way of doing it, with loads of repetition, but I can't really think of any way of doing it more efficiently?</p> <p>Thanks</p>
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