php - Calculations with javascript -
i found script , kind of need learn right now.
i want data php , date calculation!
but dont understand how yet!
$(window).load(function(){ $('div#cont-sum-fields').on('change', 'input', function() { // var total = (parseint($( "#cont-sum-1" ).val()) + parseint($( "#cont-sum-2" ).val())) * parseint($( "#cont-sum-3" ).val()) ; var printsmall = 6; //var pricesmall = <? echo $priceaud[4][2];?>; // output 6.0 var total = (parseint($( "#cont-sum-1" ).val()) + parseint($( "#cont-sum-2" ).val())) * pricesmall) ; $('#cont-sum-fields').find('#total-cont-sum').val(total); find('pricesmall').val(pricesmall); }); }); <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> <div id='cont-sum-fields'> (<input type="number" id="cont-sum-1" /> + <input type="number" id="cont-sum-2" />) x <input id="pricesmall" type="number" disabled /> = <input id="total-cont-sum" type="number" disabled /> </div> so little summary of want done:
first number + second number * php or var printsmall = total!
here code modified in way think want it.
please note indentation etc, makes reading code easier.
$(window).load( function(){ var printsmall = 6; $('#pricesmall').val(printsmall); $('#cont-sum-fields').on('change', 'input', function() { var s1 = $('#cont-sum-1').val(), s2 = $('#cont-sum-2').val(); if (s1 && s2) { $('#total-cont-sum').val( (parsefloat(s1) + parsefloat(s2)) * printsmall); } } ) } );<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script> <div id='cont-sum-fields'> (<input type="number" id="cont-sum-1" /> + <input type="number" id="cont-sum-2" />) x <input id="pricesmall" type="number" disabled /> = <input id="total-cont-sum" type="number" disabled /> </div>wiki
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