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dom 按着shift多选

<!doctype html><html><head><meta charset="utf-8"><title>无标题文档</title><style>body { margin: 0; padding: 0; }ul { padding: 0; margin: 0; }li { list-style: none; }a { text-decoration: none; color: #000; display: block; }#div1 { width: 250px; height: 20px; border: 1px solid #fe6601; padding: 5px; line-height:20px; margin: 20px auto 0 auto;}#ul1 { margin: 0 auto; width: 260px; line-height: 20px; border: 1px solid #fe6601; display: none;}#ul1 li a { padding: 5px; }#ul1 li a:hover { background: #fe6601; color: #fff; }</style><script type="text/javascript">window.onload = function (){    var odiv = document.getElementById(‘div1‘);    var oul = document.getElementById(‘ul1‘);    var arr = [];        odiv.onclick = function (ev)    {        var ev = ev || event;        ev.cancelBubble = true;        oul.style.display = ‘block‘;    }        for( var i = 0; i < oul.children.length; i++)    {        oul.children[i].onclick = function (ev)        {            var ev = ev || event;            if(ev.shiftKey)            {                ev.cancelBubble = ‘true‘;            }                        for(var i = 0; i < arr.length; i++)            {                if(this.children[0].innerHTML == arr[i])                {                    arr.splice(i,1);                    odiv.innerHTML = arr.join(‘,‘);                    bgcolor();                    return;                }            }            arr.push ( this.children[0].innerHTML);            odiv.innerHTML = arr.join(‘,‘);            bgcolor();                        function bgcolor ()            {                for(var i = 0; i < oul.children.length; i++)                {                    oul.children[i].children[0].style.background = ‘‘;                    oul.children[i].children[0].style.color = ‘‘;                }                                var arr1 = odiv.innerHTML.split(‘,‘);                for(var i = 0; i < arr1.length; i++)                {                    for(var j = 0; j < oul.children.length ; j++)                    {                        if(oul.children[j].children[0].innerHTML == arr1[i])                        {                            oul.children[j].children[0].style.background = ‘#fe6601‘;                            oul.children[j].children[0].style.color = ‘#fff‘;                        }                    }                }            }        }    }        document.onclick = function ()    {        oul.style.display = ‘none‘;        arr = [];    }};</script></head><body>    <div id="div1">按住shift多</div>    <ul id="ul1">        <li><a href="javascript:;">宋体</a></li>        <li><a href="javascript:;">黑体</a></li>        <li><a href="javascript:;">楷体</a></li>        <li><a href="javascript:;">微软雅黑</a></li>        <li><a href="javascript:;">新宋体</a></li>        <li><a href="javascript:;">仿宋</a></li>    </ul></body></html>

 

dom 按着shift多选