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In this code we will try to create Display Easter Date using JavaScript. The code will display the actual easter date base on the given year. This a user-friendly kind of code, feel free to modify it and use it as your coding reference. To learn more about this, just follow the steps below.
Getting started:
First you have to download bootstrap framework, this is the link for the bootstrap that I used for the layout design https://getbootstrap.com/.
The Main Interface
This code contains the interface of the application. To create this just write these block of code inside the text editor and save this as index.html.
Creating the Script
This code contains the script of the application. The code will dynamically limit the password length when user click the button. To do this just copy and write these block of codes inside the text editor, then save it as script.js inside the js folder.
There you have it we successfully created a Display Easter Date using JavaScript. I hope that this simple tutorial help you to what you are looking for. For more updates and tutorials just kindly visit this site. Enjoy Coding!
Download
Getting started:
First you have to download bootstrap framework, this is the link for the bootstrap that I used for the layout design https://getbootstrap.com/.
The Main Interface
This code contains the interface of the application. To create this just write these block of code inside the text editor and save this as index.html.
- <!DOCTYPE html>
- <html
lang
=
"en"
>
- <head
>
- <meta
charset
=
"UTF-8"
name
=
"viewport"
content
=
"width=device-width, initial-scale=1"
/
>
- <link
rel
=
"stylesheet"
type
=
"text/css"
href
=
"css/bootstrap.css"
/
>
- </
head
>
- <body
>
- <nav class
=
"navbar navbar-defalt"
>
- <div
class
=
"container-fluid"
>
- <a
class
=
"navbar-brand"
href
=
"https://sourcecodester.com"
>
Sourcecodester</
a
>
- </
div
>
- </
nav>
- <div
class
=
"col-md-3"
></
div
>
- <div
class
=
"col-md-6 well"
>
- <h3
class
=
"text-primary"
>
Display Easter Date Using JavaScript</
h3
>
- <hr
style
=
"border-top:1px dotted #ccc;"
/
>
- <div
class
=
"col-md-3"
>
- <form
>
- <div
class
=
"form-group"
>
- <label
>
Enter a year</
label
>
- <input
type
=
"number"
id
=
"year"
class
=
"form-control"
/
>
- </
div
>
- <center
><button
type
=
"button"
onclick
=
"displayDate();"
class
=
"btn btn-primary"
>
Get Easter</
button
></
center
>
- </
form
>
- </
div
>
- <div
class
=
"col-md-6"
>
- <div
id
=
"result"
></
div
>
- </
div
>
- </
div
>
- <script
src
=
"js/script.js"
></
script
>
- </
body
>
- </
html
>
Creating the Script
This code contains the script of the application. The code will dynamically limit the password length when user click the button. To do this just copy and write these block of codes inside the text editor, then save it as script.js inside the js folder.
- var
m=
[
"January"
,
"February"
,
"March"
,
"April"
,
"May"
,
"June"
,
"July"
,
"August"
,
"September"
,
"October"
,
"November"
,
"December"
]
;
- function
getEasterDate(
year)
{
- var
f =
Math
.floor
;
- var
G =
year %
19
;
- var
C =
f(
year /
100
)
;
- var
H =
(
C -
f(
C /
4
)
-
f(
(
8
*
C +
13
)
/
25
)
+
19
*
G +
15
)
%
30
;
- var
I =
H -
f(
H/
28
)
*
(
1
-
f(
29
/
(
H +
1
)
)
*
f(
(
21
-
G)
/
11
)
)
;
- var
J =
(
year +
f(
year /
4
)
+
I +
2
-
C +
f(
C /
4
)
)
%
7
;
- var
L =
I -
J;
- var
month =
3
+
f(
(
L +
40
)
/
44
)
;
- var
day =
L +
28
-
31
*
f(
month /
4
)
;
- return
[
month,
day]
;
- }
- function
displayDate(
)
{
- var
year=
document.getElementById
(
'year'
)
.value
;
- if
(
year.length
==
0
)
{
- alert(
"Please enter something"
)
;
- }
else
{
- var
month=
getEasterDate(
year)
[
0
]
;
- var
day=
getEasterDate(
year)
[
1
]
;
- document.getElementById
(
'result'
)
.innerHTML
=
"<h4>Easter Date: </h4><center><h2 class='text-primary'>"
+
m[
month-
1
]
+
" "
+
day+
", "
+
year+
"</h2></center>"
;
- }
- }
There you have it we successfully created a Display Easter Date using JavaScript. I hope that this simple tutorial help you to what you are looking for. For more updates and tutorials just kindly visit this site. Enjoy Coding!
Download
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