jQuery How to wrap div around multiple of the same

问题:

I'm trying to wrap multiple same class divs into a div and to skip divs not with the same class. .wrap doesn't combine them, and .wrapAll throws the non-classed divs underneath. I've been tinkering around with attempts to create an alternate solution but with no avail.

Original

<div class="entry">Content</div>
<div class="entry">Content</div>
<div class="entry">Content</div>
<div>Skip in wrap</div>
<div class="entry">Content</div>
<div class="entry">Content</div>
<div class="entry">Content</div>

continued...

Wanted Result

<div>
<div class="entry">Content</div>
<div class="entry">Content</div>
<div class="entry">Content</div>
</div>
<div>Skip in wrap</div>
<div>
<div class="entry">Content</div>
<div class="entry">Content</div>
<div class="entry">Content</div>
</div>

回答1:

You can loop pretty quickly through your <div> elements using a for loop. In the below code, just change the initial selector here to grab all those siblings divs, e.g. #content > div.entry or wherever they are:

var divs = $("div.entry");
for(var i=0; i<divs.length;) {
  i += divs.eq(i).nextUntil(':not(.entry)').andSelf().wrapAll('<div />').length;
}​

You can give it a try here. We're just looping through, the .entry <div> elements using .nextUntil() to get all the .entry elements until there is a non-.entry one using the :not() selector. Then we're taking those next elements, plus the one we started with (.andSelf()) and doing a .wrapAll() on that group. After they're wrapped, we're skipping ahead either that many elements in the loop.

回答2:

I just whipped up a simple custom solution.

var i, wrap, wrap_number = 0;
$('div').each(function(){ //group entries into blocks "entry_wrap_#"
    var div = $(this);
    if (div.is('.entry')) {
        wrap = 'entry_wrap_' + wrap_number;
        div.addClass(wrap);
    } else {
        wrap_number++;
    }
});
for (i = 0; i <= wrap_number; i++) { //wrap all blocks and remove class
    wrap = 'entry_wrap_' + i;
    $('.' + wrap).wrapAll('<div class="wrap"/>').removeClass(wrap);
}

回答3:

You could alternatively append new divs to your markup, and then append the content you want wrapped into those.

If your markup is this:

<div class="wrap">
  <div class="col-1"></div>
  <div class="col-1"></div>
  <div class="col-1"></div>
  <div class="col-1"></div>
  <div class="col-1"></div>
  <div class="col-2"></div>
  <div class="col-2"></div>
  <div class="col-2"></div>
  <div class="col-2"></div>
  <div class="col-2"></div>
</div>

Use the following to append two new divs (column-one and column-two) and then append the appropriate content into those divs:

// Set vars for column content
var colOne = $('.col-1').nextUntil('.col-2').addBack();
var colTwo = $('.col-2').nextAll().addBack();

// Append new divs that will take the column content
$('.wrap').append('<div class="column-first group" /><div class="column-second ground" />');

// Append column content to new divs
$(colOne).appendTo('.column-first');
$(colTwo).appendTo('.column-second'); 

Demo here: http://codepen.io/zgreen/pen/FKvLH