如何从下到上迭代子元素的

Question

I have a table.

I will now iterate the <tr> elements which are child's from the element <tbody> from bottom to top.

This code will iterate the child's from top to bottom.

$.each($('#tbody').children(), function( key, value ) {
    // do magic
});

$('#tbody').children().reverse() will not work...

Answer 1

You can try

$('#tbody').children().get().reverse()

ie

$.each($('#tbody').children().get().reverse(), function( key, value ) {
    // do magic
});

Demo: Fiddle

Answer 2

var children = $('#tbody').children();
for (var i = children.length - 1; i >= 0; i--) {
  //Do something with children[i]
}