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    <blockquote class="spoiler"> <p> Remove "<code>:</code>" before "<code>input</code>"... will be better but didn't do the trick!</p> </blockquote> <p>See <a href="http://api.jquery.com/category/selectors/" rel="nofollow noreferrer">Jquery selectors</a> doc for more informations</p> <p>And you make some mistakes. I thing this one should be correct now : </p> <pre><code>var count = $("li &gt; input.txtdate[value='']+ input.txthrs[value='']").length; </code></pre> <p>You want to retrieve only the number of <code>li</code> where both of <code>txtdate</code> and <code>txthrs</code> are empty?</p> <p>You can see it in action <a href="http://jsfiddle.net/Ab7Tf/1/" rel="nofollow noreferrer">in this updated palash fiddle</a></p> <p>To complete, in the case that empty <code>value</code> are in fact when <code>value</code> attrib missing, use this one : </p> <pre><code>var count = $("li &gt; input.txtdate:not([value])+ input.txthrs:not([value])").length; </code></pre> <blockquote class="spoiler"> <p> To be sure to have value attrib : $('input[type=text']:not([value])).attr('value','');</p> </blockquote> <p>To retrieve the number of line with almost one of field empty, use this : </p> <pre><code>var count = $.unique($("li").has("input.txtdate[value=],input.txtdate:not([value]),input.txthrs[value=],input.txthrs:not([value])")).length; </code></pre> <p>Update</p> <pre><code>$('input:not([value])').attr('value', ''); //Getting only lines when one of input is empty $.unique($("li").has("input.txtdate[value=''],input.txthrs[value='']")).length; //Getting only lines when both inputs are empty $("li &gt; input.txtdate[value='']+input.txthrs[value='']").length; </code></pre> <p>Trust me, or not...</p> <p>UPDATE with new DOM input aren't direct child of li</p> <pre><code>$('input:not([value])').attr('value', ''); //Getting only lines when one of input is empty $.unique($("li").has("input.txtdate[value=''],input.txthrs[value='']")).length; //Getting only lines when both inputs are empty $("li input.txtdate[value='']+input.txthrs[value='']").length; </code></pre> <p>I wake up... sorry! So you was right form the beginning, with simple selector, you can't detect a user update of a input! Sorry I was wrong! I founded this plugin <a href="https://stackoverflow.com/questions/5060652/jquery-selector-for-input-value">here</a> : </p> <pre><code>jQuery.extend( jQuery.expr[':'], { /// check that a field's value property has a particular value 'field-value': function (el, indx, args) { var a, v = $(el).val(); if ( (a = args[3]) ) { switch ( a.charAt(0) ) { /// begins with case '^': return v.substring(0,a.length-1) == a.substring(1,a.length); break; /// ends with case '$': return v.substr(v.length-a.length-1,v.length) == a.substring(1,a.length); break; /// contains case '*': return v.indexOf(a.substring(1,a.length)) != -1; break; /// equals case '=': return v == a.substring(1,a.length); break; /// not equals case '!': return v != a.substring(1,a.length); break; /// equals default: return v == a; break; } } else { return !!v; } } } ); </code></pre> <p>Wich allow you to make some selecotr like this : </p> <pre><code>$('input:field-value(=)');//for empty $.unique($("li").has("input.txtdate:field-value(=),input.txthrs:field-value(=)")).length; </code></pre>
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    1. POjquery input selector with li
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    1. COi removed value="p" from inputs, all inputs are blank, still showing 1
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    2. COit shows 1 in each case
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    3. COOf course, you have to complete others elements, and add value attrib! See this [other fiddle](http://jsfiddle.net/Ab7Tf/3/) where two lines are emty!
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