js 多行字符串 换行 有大用 有大大用

function outputTiYanZhiban()
{
    document.getElementById('tiYanTu').style.display='none';
    var str=" <!-- 播放器代碼塊  -->\
<div id='ePlayerContent' style='display:block;bottom:0px;right:1px!important;position:fixed;border:0px;z-index:99999'>\
    <embed width='350' height='432'  type='application/x-shockwave-flash' allowscriptaccess='always' \
        quality='high'  wmode='transparent' flashvars='companyUrl=www.szfzxx.com/EPlayer&flvUrl=zbzy.swf&skinName=Original&isAutoPlay=true&videoWidth=350&videoHeight=...' \
        src='http://www.szfzxx.com/EPlayer/EPlayer.swf'/> \
</div>\
<!-- 播放器代碼塊  -->";

    document.body.innerHTML+=str;

}

var htmlStr = '\
    <div>\
        content\
    </div>';





或者

var htmlStr = '<div>' +
                'content' +
              '</div>'; var htmlStr = [
      '<div>',
        'content',
      '</div>'
    ].join('');

来自 http://www.cnblogs.com/ziyunfei/archive/2012/10/04/2711551.html