网页上面的链接一般鼠标放上去就是一个手指的形状，导致不能拖动鼠标进行复制，下面这段JS就是让你能够实现复制的，将这段代码保存成chrome的书签，需要复制的时候点击这个书签，然后按着ctrl键，就可以复制链接上面的文字了
SEOver',function(e) {
var link,c = '',target = e.target;
if (target.nodeName == 'A') {
if (target.hasChildNodes) {
for (var i = 0; i < target.childNodes.length; i++) {
if (target.childNodes[i].nodeName == 'INPUT') return;
}
}
link = target;
}
if (target.parentNode.nodeName == 'A' && target.nodeName != 'IMG' && target.nodeName != 'INPUT') {
link = target.parentNode;
}
if (!link) return;
if (checked) {
h = link.href;
if (link.style.cssText) c = link.style.cssText;
}
function _click(e) {
link.removeEventListener(e.type,arguments.callee,false);
e.preventDefault();
}
function _keydown(e) {
var k = parseInt(e.keyCode);
if (k < 48 && k != 17) return;
document.removeEventListener(e.type,false);
down = true;
link.removeAttribute('href');
link.setAttribute('style',c + 'cursor:text!important;');
link.addEventListener('click',_click,false);
}
document.addEventListener('keydown',_keydown,false);
link.addEventListener('mouSEOut',function(e) {
var k = link.compareDocumentPosition(e.relatedTarget);
if (k == 20 || k == 0) {
checked = false;
} else {
link.removeEventListener(e.type,false);
link.removeEventListener('click',false);
document.removeEventListener('keydown',false);
checked = true;
if (down) {
down = false;
link.setAttribute('href',h);
if (c == '') {
link.removeAttribute('style');
} else {
link.setAttribute('style',c);
}
}
}
},false);
},false);
})();
