Looping through required fields in jQuery based on a CSS class

Is there a way to loop through required fields marked with <input class="required">? Currently, only the first input in the loop is being evaluated. How can I traverse the DOM using a loop to check all input boxes? Thank you for your help. While I have seen similar examples, I am struggling to make them work in my specific case.

$("#howMuch").click(function () {
    var numOfPeriods = 0;
    //Validates for empty code only. 
    if ($('.required').val().length == 0) {
        $('.modal').show();
        $('.modal_content').text('Please fill in the Required Fields');
    } else {
        //Clear previous graph
        clearGraph();
        //Adjust the number of periods from years to month
        numOfPeriods = yearToMonthAdj();
        //Declare a variable for the final future value
        var futureValue = createiRateGraphNoInterest(numOfPeriods);
        //Test if we're rich
        testFVforMillionaire(futureValue);
    }
});

Answer №1

Another way to iterate through elements with the class required is by using the .each() method. Give this a try:

$('.required').each(function(index){
   if($(this).val().length==0) {
       $('.modal').show();
       $('.modal_content').text('Please make sure to complete all required fields');
   } else {
      // Clear any existing graphs
      clearGraph();
      // Convert years to months for calculation purposes
      numOfPeriods = yearToMonthAdj();
      // Calculate the future value and store it in a variable
      var futureValue = createiRateGraphNoInterest(numOfPeriods);
      // Test if the future value indicates wealth
      testFVforMillionaire(futureValue);
  }
});

Answer №2

To iterate through every element, you can utilize the .each() function:

$(".required").each( function() {  } );

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