How to remove input by Javascript

Question

var i = 1;
$('.button').click(function() {
  $('<br/><input name="name' + (++i) + '" type="text"/>').insertBefore(this);
});

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<div>
  <input name="name1" type="text" /><button class="button">+</button>
</div>

How can I place a button with [ + ] plus button, and when I click on it. button remove that field.

You want to remove the field on click of + button? Like how it is!! Atleast one button and textbox should be there right? — Guruprasad J Rao
– Guruprasad J Rao, Commented Aug 10, 2015 at 7:29
no I want there is also a - BUTTON when I click on it last field remove. — Hamza Khan
– Hamza Khan, Commented Aug 10, 2015 at 7:30
I had created this fiddle for some other solution. See if this helps link — karan3112
– karan3112, Commented Aug 10, 2015 at 7:32

CodingIntrigue · Accepted Answer · 2015-08-10 07:32:55Z

7

Just add a new button template into your HTML string and a wrapping <div> to identify the row. Then use event delegation to bind onto the dynamically created remove buttons:

var i = 1;
$('.button').click(function() {
  // Wrap each row in a div. Won't need a <br> to create a line break and it's styleable
  $('<div><input name="name' + (++i) + '" type="text"/><button class="remove">-</button></div>').insertBefore(this);
});
// We need to use event delegation here, as the remove buttons are dynamically generated
$(document).on("click", ".remove", function() {
  // Remove the parent, which is the rows <div> element
  $(this).parent().remove();
});

<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<button class="button">+</button>

answered Aug 10, 2015 at 7:32

CodingIntrigue

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1 Comment

Hamza Khan Over a year ago

Good work but I don't want this. Thanks for response.

Pranav C Balan · Accepted Answer · 2015-08-10 07:33:20Z

3

You can do something like this

var i = 1;
$('.button').click(function() {
  $('<br/><input name="name' + (++i) + '" type="text"/><button class="button1">-</button>').insertBefore(this);
});
$(document).on('click', '.button1', function() {
  $(this)
    .prev('input').remove()
    //removing input field
    .end().prev('br').remove()
    //removing br tag
    .end().remove();
  //removing the button
});

<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.1/jquery.min.js"></script>
<div>
  <input name="name1" type="text" />
  <button class="button">+</button>
</div>

answered Aug 10, 2015 at 7:33

Pranav C Balan

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2 Comments

Hamza Khan Over a year ago

Exectly that I want, you again help me. Thanks alot.

Pranav C Balan Over a year ago

@user3396968 : glad to help :)

Rajaprabhu Aravindasamy · Accepted Answer · 2015-08-10 07:35:52Z

2

var i = 1;
$('.button').click(function () {
    $('<input name="name' + (++i) + '" type="text"/><button class="remove">remove</button><br>').prependTo($(this).closest('div'));
});

$("div").on("click", ".remove",function () {
    $(this).prev("input").add($(this).next("br")).add($(this)).remove();
});

DEMO

answered Aug 10, 2015 at 7:35

Rajaprabhu Aravindasamy

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Comments

Andre Andersen · Accepted Answer · 2015-08-10 07:32:53Z

1

I would highly recommend looking at using Knockout, Angular, or something like that. They're implementations of the MVVM pattern, which is quite useful in your scenario.

Here is a sample of how Knockout.js works, and directly correlates to your problem scenario.

answered Aug 10, 2015 at 7:32

Andre Andersen

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