waleshoola Posted December 11, 2012 Share Posted December 11, 2012 Having issue trying to sum list/menu selected values to show on a textbox <!DOCTYPE html> <html> <head> <script type="text/javascript" src="js/jquery.js"></script> <script type="text/javascript" src="js/jquery-1.4.2.js"></script> <style> p { color:red; margin:4px; } b { color:blue; } </style> </head> <body> <p><input name="wal" id="wal" type="text"></p> <p><input type="text" id="total" value="0"></p> <select size="7" multiple="multiple" id="multiple"> <option value="1" selected="selected">Item 1</option> <option value="2">Item 2</option> <option value="3">Item 3</option> <option value="4">Item 4</option> </select> <script> function displayVals() { var multipleValues = $("#multiple").val() || []; $("#wal").val( multipleValues.join("+ ")); var total =($('#wal').val()); // Update the total var postid=total.split("+"); var sum = 0; //iterate through each textboxes and add the values $("#wal").each(function() { //add only if the value is number if(!isNaN(this.value) && this.value.length!=0) { sum += parseFloat(this.value); } }); //.toFixed() method will roundoff the final sum to 2 decimal places $("#total").html(sum.toFixed(2)); } $("select").change(displayVals); displayVals(); </script> </body> </html> Can anyone help with this please Link to comment https://forums.phpfreaks.com/topic/271878-javascript-listmenu-sum/ Share on other sites More sharing options...
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