Manual form validation jQuery -


i'm trying manual form validation in jquery hang of it. know there plugins not point.

this code:

$( document ).ready(function() { //amount of input fields need activation of button var amount = $('.form-group').length;    //blur checks when leave input field $('.form-group input').blur( function() {     //if input empty put red bg color     if( !$(this).val() ) {         $(this).css("background-color", "red");     }      //if field filled in bg white , amount -1.      //once amount 1 know fields filled in         if( $(this).val() ) {         $(this).css("background-color", "white");         amount = amount - 1;         if(amount === 1 && $('#tos').prop('checked') ) {           //code remove attribute disabled           $('button').removeattr("disabled")           $('button').html("send")              }         }      }); });

it breaks on following line:

if(amount === 1 && $('#tos').prop('checked') )

both work fine if write them seperate when try use && operator doesn't seem work.

try using additional grouping

if((amount === 1) && $('#tos').prop('checked') )

according operator precedence table === has higher precedence && code should not need additional grouping though.. hmz.


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