Reputation: 3854
I have html structure like this :
<div class="row clearfix student">
<div class="col-sm-3">
<div class="form-group">
<h2 class="card-inside-title">Student</h2>
<div class="form-line focused">
<input type="text" name="name" class="form-control" required="">
</div>
</div>
</div>
<div class="col-sm-3">
<div class="form-group">
<h2 class="card-inside-title">Subject</h2>
<select name="subject_name" class="form-control subject" required="" aria-invalid="false">
<option value="">Select</option>
<option value="1">Maths</option>
<option value="2">Science</option>
</select>
</div>
</div>
<div>
<div class="row clearfix subject">
<div class="col-sm-3">
<div class="form-group">
<h2 class="card-inside-title">Subject</h2>
<div class="form-line focused">
<input type="text" name="subject[]" class="form-control" required="">
</div>
</div>
</div>
<div>
<div class="row clearfix class">
<div class="col-sm-3">
<div class="form-group">
<h2 class="card-inside-title">Subject</h2>
<div class="form-line focused">
<input type="text" name="subject[]" class="form-control" required="">
</div>
</div>
</div>
<div>
<div class="row clearfix student">
<div class="col-sm-3">
<div class="form-group">
<h2 class="card-inside-title">Student</h2>
<div class="form-line focused">
<input type="text" name="name" class="form-control" required="">
</div>
</div>
</div>
<div class="col-sm-3">
<div class="form-group">
<h2 class="card-inside-title">Subject</h2>
<select name="subject_name" class="form-control subject" required="" aria-invalid="false">
<option value="">Select</option>
<option value="1">Maths</option>
<option value="2">Science</option>
</select>
</div>
</div>
<div>
<div>
<div class="row clearfix subject">
<div class="col-sm-3">
<div class="form-group">
<h2 class="card-inside-title">Subject</h2>
<div class="form-line focused">
<input type="text" name="subject[]" class="form-control" required="">
</div>
</div>
</div>
<div>
<div class="row clearfix class">
<div class="col-sm-3">
<div class="form-group">
<h2 class="card-inside-title">Subject</h2>
<div class="form-line focused">
<input type="text" name="subject[]" class="form-control" required="">
</div>
</div>
</div>
<div>
..
..
There is a student row and multiple subject row.There is a dropdown on the Student row, so what i want is to remove the subject rows only when dropdown is changed. I'm using this code but it is not working.
jQuery(document).on('change', '.subject', function(e) {
var nearest_row = $(this).closest('div.row');
$(nearest_row).next().remove();
});
I don't want to delete student, only the subjects rows of that student.
Upvotes: 0
Views: 49
Reputation: 27041
I believe the problem is that you have lots of unclosed <div>
in your code, the each row is actually inside each other. If you look at the example below, i have closed the divs, and now it seems to work.
Working demo
jQuery(document).on('change', 'select.subject', function(e) {
var nearest_row = $(this).closest('div.row');
if ($(nearest_row).next('.row').find("select").length == 0) {
$(nearest_row).next().remove();
}
});
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.3.1/jquery.min.js"></script>
<div class="row clearfix student">
<div class="col-sm-3">
<div class="form-group">
<h2 class="card-inside-title">Student</h2>
<div class="form-line focused">
<input type="text" name="name" class="form-control" required="">
</div>
</div>
</div>
</div>
<div class="row clearfix subject">
<div class="col-sm-3">
<div class="form-group">
<h2 class="card-inside-title">Subject</h2>
<select name="subject_name" class="form-control subject" required="" aria-invalid="false">
<option value="">Select</option>
<option value="1">Maths</option>
<option value="2">Science</option>
</select>
</div>
</div>
</div>
<div class="row clearfix subject">
<div class="col-sm-3">
<div class="form-group">
<h2 class="card-inside-title">Subject</h2>
<div class="form-line focused">
<input type="text" name="subject[]" class="form-control" required="">
</div>
</div>
</div>
</div>
<div class="row clearfix class">
<div class="col-sm-3">
<div class="form-group">
<h2 class="card-inside-title">Subject</h2>
<div class="form-line focused">
<input type="text" name="subject[]" class="form-control" required="">
</div>
</div>
</div>
</div>
<div class="row clearfix student">
<div class="col-sm-3">
<div class="form-group">
<h2 class="card-inside-title">Student</h2>
<div class="form-line focused">
<input type="text" name="name" class="form-control" required="">
</div>
</div>
</div>
</div>
<div class="row clearfix subject">
<div class="col-sm-3">
<div class="form-group">
<h2 class="card-inside-title">Subject</h2>
<select name="subject_name" class="form-control subject" required="" aria-invalid="false">
<option value="">Select</option>
<option value="1">Maths</option>
<option value="2">Science</option>
</select>
</div>
</div>
</div>
<div class="row clearfix subject">
<div class="col-sm-3">
<div class="form-group">
<h2 class="card-inside-title">Subject</h2>
<div class="form-line focused">
<input type="text" name="subject[]" class="form-control" required="">
</div>
</div>
</div>
</div>
<div class="row clearfix class">
<div class="col-sm-3">
<div class="form-group">
<h2 class="card-inside-title">Subject</h2>
<div class="form-line focused">
<input type="text" name="subject[]" class="form-control" required="">
</div>
</div>
</div>
</div>
Upvotes: 1