Django - How to apply onlivechange on CharField / IntegerField - django

Question

I want to hide the field form.name_of_parent_if_minor if the age (CharField) < 18 else show. I am not getting where to write jQuery or JS code or add separate js file. For this do I need to the html definition and add tag for age (CharField) or we can perform action on this as well.
I am new to the Django so if you find any mistakes in my code then any help would be appreciated for guidance.
forms.py
class StudentDetailsForm(forms.ModelForm):
class Meta:
model = StudentDetails
views.py
class StudentCreateView(LoginRequiredMixin, CreateView):
template_name = 'student/student_details_form.html'
model = StudentDetails
form_class = StudentDetailsForm
success_url = "/"
html
{% extends 'student/base.html' %}
{% load crispy_forms_tags %}
{% block content %}
<div id="idParentAccordian" class="content-section">
<form method="POST">
{% csrf_token %}
<div class="card mt-3">
<div class="card-header">
<a class="collapsed card-link" style="display: block;" data-toggle="collapse"
href="#idPersonalInformation">Personal Information</a>
</div>
<div id="idPersonalInformation" class="collapse show" data-parent="#idParentAccordian">
<div class="card-body">
<div class="row">
<div class="col-6">
{{ form.joining_date|as_crispy_field }}
</div>
<div class="col-6">
{{ form.class|as_crispy_field }}
</div>
</div>
{{ form.student_name|as_crispy_field }}
{{ form.father_name|as_crispy_field }}
{{ form.mother_name|as_crispy_field }}
{{ form.gender|as_crispy_field }}
<div class="row">
<div class="col-6">
{{ form.date_of_birth|as_crispy_field }}
</div>
<div class="col-6">
{{ form.age|as_crispy_field }}
</div>
</div>
<div>
{{ form.name_of_parent_if_minor|as_crispy_field }}
</div>
</div>
</div>
</div>
<div class="form-group mt-3">
<button class="btn btn-outline-info" type="submit">Save</button>
<a class="btn btn-outline-secondary" href="javascript:history.go(-1)">Cancel</a>
</div>
</form>
</div>
{% endblock content %}

Answer 1

the easiest way but not the cleanest is to add JS script in your html
the recommanded way is to add static folder to your app and load static files in your html template using {% load static %}