How can I make a navigation menu fit its container

2019-06-07 07:28发布

I'm tearing my hair out over this one. Basically, I need my menu to fit a container horizontally based on the contents of the menu. So, I understand the table and table-cell properties can do this. However, when I use this in conjunction with Superfish Menu I can't get it to expand to fit the container at all.

I also need a margin/space between the menu, which table-cell seems to completely disregard.

Check out the fiddle demo here, http://jsfiddle.net/TUQpV/10/

2条回答
倾城 Initia
2楼-- · 2019-06-07 07:39

Just remove float: left; from your .menu li rule. The reason is that floating the lis to the left is basically squashing them a bit -- they won't expand to the right even if they have space. Working version of your demo: little link.

Hope that helped!

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你好瞎i
3楼-- · 2019-06-07 07:40

You'll need to do one of two things. Making all of your menu items a constant size is the easiest way to fill the container since your have hard-coded its size.

Your other option is to create some javascript that determines the difference between the width of the UL and the width of the parent div and then evenly distributes that space among the child elements by increasing the padding. The reason is that the LI will fit to its contents. You'll need to grow the contents to stretch the whole menu. You can see how I do that here. http://jsfiddle.net/Nilpo/GGQ4V/3/

$(window).load(function() {

var container = $('div.menu-main-menu-container');
var menu = $('ul.menu');

var difference = container.width() - menu.width();

if (difference > 0) {
    var count = menu.children().length;

    var pad = (difference / count) / 2;

    var total = 0;
    menu.children().each(function(){
        var el = $(this);
        var lpad = parseInt(el.css('padding-left'), 10);
        var rpad = parseInt(el.css('padding-right'), 10);

        el.css('padding-left', lpad+pad);
        total += lpad+pad;

        if ((total+rpad+pad) < difference) {
            el.css('padding-right', rpad+pad);
        } else {
            el.css('padding-right', Math.floor(rpad+pad));
        }
        total += rpad+pad;
    });
}
});

Adding the following to your CSS will clear the gap after the last menu item as well.

.menu li:last-child {
    margin:0;
}

EDIT: You should probably just change the right margin so it doesn't break any future margin changes.

.menu li:last-child {
    margin-right: 0;
}
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