find children in jquery code example

Example 1: find name description jquery children()

{
    'name': $(this).children('input[name="paramName"]').val(),
    'value': $(this).children('input[name="paramPrice"]').val()
};

Example 2: jquery find tag and class

$(".txtClass")                  =>  getElementsByClassName()

$("#childDiv2 .txtClass")       =>  getElementById(),
                                    then getElementsByClassName()

$("#childDiv2 > .txtClass")     =>  getElementById(),
                                    then iterate over children and check class

$("input.txtClass")             =>  getElementsByTagName(),
                                    then iterate over results and check class

$("#childDiv2 input.txtClass")  =>  getElementById(),
                                    then getElementsByTagName(),
                                    then iterate over results and check class

Example 3: (this).find

$('article a').click(function() {
    $(this).parent().find('h3').slideToggle('fast');
});