标签切换JS代码

//标签切换
var nav = $('.index-nav');
var content = $('.index-nav-content li');

function hoverNav ($eleArr) {
    var $nav = $eleArr[0];
    var $content = $eleArr[1];

    $nav.on('mouseover', 'li', function(e) {
        e.preventDefault();
        var $this = $(this),
                number = $this.data('nav')-1;
        $this.addClass('cur').siblings('li').removeClass('cur');
        $content.eq(number).addClass('cur').siblings('li').removeClass('cur');
    });
}

hoverNav([nav,content]);