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In this tutorial we will create a Delete Data In Multidimensional Array using JavaScript. This code will use onclick() to call a specific function that can delete a multidimensional array object using delete a built-in JavaScript function that use for deleting an array object by providing the index position of an array. You can apply this script to your code, it is a user-friendly program feel free to modify it.
We will use JavaScript to add some new feature to the website interface by actually written into an HTML page. It is what gives your page a different interactive elements and animation that engage a user.
.
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. This code will delete JSON object when the button is clicked. To do this just copy and write these block of codes as shown below inside the text editor and save it as script.js inside the js directory
There you have it we successfully created a Delete Data In Multidimensional Array 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
We will use JavaScript to add some new feature to the website interface by actually written into an HTML page. It is what gives your page a different interactive elements and animation that engage a user.
.
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-default"
>
- <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"
>
JavaScript - Delete Data In Multidimensional Array</
h3
>
- <hr
style
=
"border-top:1px dotted #ccc;"
/
>
- <div
class
=
"col-md-4"
>
- <div
class
=
"form-group"
>
- <label
>
Firstname</
label
>
- <input
type
=
"text"
id
=
"firstname"
class
=
"form-control"
/
>
- </
div
>
- <div
class
=
"form-group"
>
- <label
>
Lastname</
label
>
- <input
type
=
"text"
id
=
"lastname"
class
=
"form-control"
/
>
- </
div
>
- <div
class
=
"form-group"
>
- <label
>
Address</
label
>
- <input
type
=
"text"
id
=
"address"
class
=
"form-control"
/
>
- </
div
>
- <center
><button
type
=
"button"
onclick
=
"addEntry()"
class
=
"btn btn-primary form-control"
>
Add</
button
></
center
>
- </
div
>
- <div
class
=
"col-md-8"
>
- <pre
>
[<div
id
=
"result"
></
div
>
]</
pre
>
- <table
id
=
'row'
>
- </
table
>
- </
div
>
- </
div
>
- </
body
>
- <script
src
=
"js/script.js"
></
script
>
- </
html
>
Creating the Script
This code contains the script of the application. This code will delete JSON object when the button is clicked. To do this just copy and write these block of codes as shown below inside the text editor and save it as script.js inside the js directory
- var
data =
[
- {
firstname:
"John"
,
lastname:
"Smith"
,
address:
"New York"
}
- ]
;
- displayResult(
data)
;
- rowDisplay(
data)
;
- function
displayResult(
data)
{
- var
html =
""
;
- for
(
var
i in
data)
{
- html +=
" {firstname:"
+
"'"
+
data[
i]
.firstname
+
"'"
+
", "
+
"lastname:'"
+
data[
i]
.lastname
+
"'"
+
", "
+
"address:'"
+
data[
i]
.address
+
"'"
+
"}<br />"
;
- }
- document.getElementById
(
"result"
)
.innerHTML
=
html;
- firstname.value
=
""
;
- lastname.value
=
""
;
- address.value
=
""
;
- }
- function
rowDisplay(
data)
{
- var
table =
""
;
- var
j=
0
;
- for
(
var
i in
data)
{
- table +=
"<tr>"
;
- table +=
"<td> Row index: "
+
j +
" </td>"
- +
"<td><button class='btn btn-danger btn-sm' onclick='deleteData("
+
i+
")'>Delete</button></td>"
;
- table +=
"</tr>"
;
- j++;
- }
- document.getElementById
(
"row"
)
.innerHTML
=
table;
- }
- function
deleteData(
index)
{
- delete
data[
index]
;
- alert(
"Deleted a row!"
)
;
- rowDisplay(
data)
;
- displayResult(
data)
;
- }
- function
addEntry(
)
{
- var
firstname =
document.getElementById
(
"firstname"
)
;
- var
lastname =
document.getElementById
(
"lastname"
)
;
- var
address =
document.getElementById
(
"address"
)
;
- if
(
firstname.value
==
""
||
lastname.value
==
""
||
address.value
==
""
)
{
- alert(
"Please complete the required field first!"
)
;
- }
else
{
- var
member =
{
- 'firstname'
:
firstname.value
,
- 'lastname'
:
lastname.value
,
- 'address'
:
address.value
,
- }
;
- data.push
(
member)
;
- displayResult(
data)
;
- rowDisplay(
data)
;
- }
- }
There you have it we successfully created a Delete Data In Multidimensional Array 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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