Selecting Elements

Selecting DOM Elements

$('#idname')
$('.className')

Find any a tags contained within the selected tag

$('#idname').find('a')

Find Children of tag

$('#idname').children()
$('#idname').children('h2')

Select Parents

$('#idname').parents()

Siblings

$('#idname').siblings()

Adding and Removing Classes

  $('body').addClass('js');

    var $circles = $('#circles');

    $circles.find(':nth-child(2)')
        .addClass('selected');

    $circles.find(':nth-child(4)')
        .removeClass('selected');

    $circles.find(':nth-child(4)')
        .toggleClass('selected');

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