Failing to align badges to right in drop

Trying to align badges to the right of each drop-down menu. Currently, the badges look like so:

with the associated code:

            <div class="collapse navbar-collapse">
            <ul class="nav navbar-nav">
                <li class="dropdown ">
                    <a data-target="/business" href="/business" class="dropdown-toggle" data-toggle="dropdown">Business<b class="caret"></b></a>
                    <ul class="dropdown-menu">

                        <li >
                            <a href="/economy">Economy <span class='badge' today: 2</span></a>
                        </li>
                        <li >
                            <a href="/financials">Financial Reports <span class='badge' today: 78</span></a>
                        </li>
                        <li >
                            <a href="/interest">Interest Rates </a>
                        </li>

                    </ul>
                </li>
            </ul>
         </div>

adding 'pull-right' to the badge class () causes the badges to collapse:

Also, using boostrap3, with the bootswatch cosmo template (in case that's relevant). Any ideas here?

---

You have missing closing > on the SPAN tags, your class name uses ' not " and your data-target attribute has an invalid leading slash (at least these were what I discovered when I tested it). The only way I could get it to work was a combination of fixed width for the parent UL, along with right-floated ("pull-right") badge spans.

The following tested successfully in Firefox and Chrome under Twitter-Bootstrap 3:

 <li class="dropdown ">
    <a data-target="business" href="/business" class="dropdown-toggle" data-toggle="dropdown">Business<b class="caret"></b></a>
    <ul class="dropdown-menu" style="width:250px;">
        <li>
            <a href="/economy"><span class="badge pull-right">today: 2</span>Economy</a>
        </li>
        <li>
            <a href="/financials"><span class="badge pull-right">today: 78</span>Financial Reports</a>
        </li>
        <li>
            <a href="/interest">Interest Rates </a>
        </li>
    </ul>
</li>

---

You can do this with CSS3 flex boxes:

JSFiddle

HTML:

<div class="dropdown">
    <button class="btn btn-default dropdown-toggle" type="button" id="dropdownMenu1" data-toggle="dropdown" aria-expanded="true">
        Dropdown <span class="caret"></span>
    </button>
    <ul class="dropdown-menu" role="menu" aria-labelledby="dropdownMenu1">
        <li role="presentation">
            <a role="menuitem" tabindex="-1" href="#">
                <span>Something</span>
                <span class="badge">0.5</span>
            </a>
        </li>
        <li role="presentation">
            <a role="menuitem" tabindex="-1" href="#">
                <span>Something else</span>
                <span class="badge">1</span>
            </a>
        </li>
        <li role="presentation">
            <a role="menuitem" tabindex="-1" href="#">
                <span>Something seriously super super long</span>
                <span class="badge">1 bajillion</span>
            </a>
        </li>
        <li role="presentation">
            <a role="menuitem" tabindex="-1" href="#">
                <span>Something also quite long</span>
                <span class="badge">½ bajillion</span>
            </a>
        </li>
    </ul>
</div>

CSS:

.dropdown-menu a[role="menuitem"] {
    display: -webkit-box;
    display: -moz-box;
    display: -ms-flexbox;
    display: -webkit-flex;
    display: flex;
}
.dropdown-menu a[role="menuitem"] span:first-child {
    -webkit-box-flex: 1;
    -moz-box-flex: 1;
    -webkit-flex: 1;
    -ms-flex: 1;
    flex: 1;
    margin-right: 2em;
}

Depending on you project you might want to check the browser compatibility.

Here is a good explanation of how it works.

---

尝试...（未测试）

<li >
    <a href="/economy">
        <span="pull-left">
            Economy
        </span>

        <span class="pull-right">
            <span class='badge' today: 2></span>
        </span>
    </a>
</li>

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