function adicionarBlocosContencao() {
//obtenho todos os elementos com a class .bloco e faço a varredura com each
$('.bloco').each(function (inx) {
//Verifico se o elemento já possui um contain
if (!$(this).parent().hasClass('contain')) {
//verifico se o numero é par, se for ele cria a div e adiciona a class container
if (inx % 2 == 0) {
$('body').append($('<div></div>')
.addClass('contain')
.append($(this)));
} else {
//se não for par só apendo no ultimo .container que não vai estar completo com 2
$('.contain:last').append($(this));
}
}
});
}
$(document).ready(function () {
//setando evento de click no botão para chamar função
$('#btn').click(adicionarBlocosContencao);
});
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