javascript - how to make a checkboxes(3) checked at one click using jquery - Stack Overflow

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Here i have bunch of checkboxes,

say, if i clicked on any checkbox, i want make checked next two checkboxes also (i.e, beside two)

<table border="1" cellspacing="0" width="450">
    <tr>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
    </tr>
    <tr>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
    </tr>
    <tr>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
    </tr>
    <tr>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
    </tr>
    <tr>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
    </tr>
</table>

Fiddle

could anyone help me out,

Thanks in advance.

Here i have bunch of checkboxes,

say, if i clicked on any checkbox, i want make checked next two checkboxes also (i.e, beside two)

<table border="1" cellspacing="0" width="450">
    <tr>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
    </tr>
    <tr>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
    </tr>
    <tr>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
    </tr>
    <tr>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
    </tr>
    <tr>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
        <td><input type="checkbox" /></td>
    </tr>
</table>

Fiddle

could anyone help me out,

Thanks in advance.

• javascript
• jquery

Share Improve this question Follow asked Dec 6, 2013 at 11:36 user123456789user123456789 56633 gold badges1212 silver badges3131 bronze badges 10

• 3 Naresh: Please include some attempted solutions, why they didn't work, and the expected results. – palaѕн Commented Dec 6, 2013 at 11:38
• In what order? Left to right? What should happen if the last one in a row is clicked? or simply the last checkbox? And what if one of the checkboxes is already checked, should it uncheck? – Teun Pronk Commented Dec 6, 2013 at 11:39
• 4 @NareshKamireddy Do you think programming is about googling and copying code? Programming is about learning how to use the tools and ing up with the solution yourself based on that understanding. – Barmar Commented Dec 6, 2013 at 11:40
• 2 @NareshKamireddy, You already asked this jQuery question 5 months ago. Do you think you still new to jQuery? :) Its easy framework to learn – Murali Murugesan Commented Dec 6, 2013 at 11:41
• 1 Thought of adding an answer , but the experts advice will be void if I do that , Will not add an answer now.. @Murali Good Observation – Bharath R Commented Dec 6, 2013 at 11:44

 |  Show 5 more ments

10 Answers 10

Sorted by: Reset to default 4

try with nextAll() and eq to select next two.

$('input:checkbox').change(function(){
  var obj=$(this).parent().nextAll(':eq(0),:eq(1)'); //eq(0) and (1) is the index of next two checkbox
  obj.find(':checkbox').prop('checked',this.checked)
});

fiddle here

this uncheck the checkbox if unchecked..

$(":checkbox").click(function () {
    $(this).parent().nextAll("td").slice(0, 2).find(":checkbox").prop('checked', true);
});

JSFIDDLE

Try this it has toggle effect as you want.

Here is the script:

$(':checkbox').click(function () {
  if ($(this).is(":checked")) {
     $(this).parent().nextAll("td").slice(0, 2).find(":checkbox").prop('checked', true);
  } 
  else {
     $(this).parent().nextAll("td").slice(0, 2).find(":checkbox").prop('checked', false);
  }
});

Here is the working DEMO

Or try this

var len = 2;
var selector = 'input:checkbox'; 
$(selector).click(function(){
    var e = $(selector).index(this);   
    $(selector+':lt('+(e+len+1)+'):gt('+e+')')
       .attr('checked', 'checked');    
});

JSFiddle

Try this

I have added button on each tr

$('button').on('click', function () {
    $(this).parents('tr').find('td>input[type=checkbox]').each(function (i, j) {
        if (i == 3) {
            return false;
        }
        $(this).prop('checked', true);
    })
})

JSFiddle

Vanilla JS solution:

var checkboxes = document.querySelectorAll('input[type="checkbox"]');
for(var i=0,iLen=checkboxes.length; i<iLen; i++){
    (function(i){
        checkboxes[i].addEventListener('click',function(){
            checkboxes[(i+1)%checkboxes.length].checked = true;
            checkboxes[(i+2)%checkboxes.length].checked = true;
        })
    }(i))
}

JSFiddle

A different approach. Not using the DOM, instead I'm using the array of the input elements.

Also works for first and last element (you didn't specify if you wanted this).

http://jsfiddle/Y7tR2/

$('input').change(function () {
    var i = $.inArray(this, $('input'));
    var n = i + 1;
    var p = i - 1;
    if (n >= $('input').length) n = 0;
    if (p < 0) p = $('input').length - 1;
    $('input').eq(n).attr("checked", $(this).attr('checked') ? true : false);
    $('input').eq(p).attr("checked", $(this).attr('checked') ? true : false);
});

Try this working script

    $('input[type="checkbox"]').click(function(obj){
       if( $(this).is(':checked')) {  
             $(this).parent().nextAll().has(":checkbox").eq(0).find(":checkbox").attr('checked','checked');
             $(this).parent().nextAll().has(":checkbox").eq(1).find(":checkbox").attr('checked','checked');

     }else{

            $(this).parent().nextAll().has(":checkbox").eq(0).find(":checkbox").removeAttr('checked');
             $(this).parent().nextAll().has(":checkbox").eq(1).find(":checkbox").removeAttr('checked');
            }                                 
    });

DEMO

$(':checkbox').click(function(){
    $(this).parent().nextAll().slice(0,2).find(":checkbox").attr('checked',this.checked)
})

another solution using jquery:

    $('input').on('click', function () {
        var count=0;
        $.each($(this).parents('tr').find('td>input[type=checkbox]'), function( index, value ) {
        if($(value).is(":checked")){
            count++;
        } else if(count > 0 && count <= 2){
            $(value).attr('checked', true);
            count++;
        }
        });
    })        

JSFiddle

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