A brief discussion on jQuery hover(over, out) event function

hover(over, out) event function

When the mouse moves over a matching element, the specified first function will be triggered

When the mouse moves out of this element, the specified function will be triggered The second function

over(function): the function triggered when the mouse moves over the element

out(function): the function triggered when the mouse moves out of the element

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</nav> 
<script> 
$(function(){

//鼠标移到与移出，移到元素时，添加当前元素样式，并且去掉当前页面的样式。鼠标移出时，去掉当前元素的样式，并且添加当前页面的样式 
  $('.main-nav').find('a').hover( 
    function(){$(this).addClass(&#39;cur&#39;);$(&#39;.main-nav&#39;).find(&#39;a[href="<?php echo "/".$path[1];?>"]&#39;).removeClass(&#39;cur&#39;);}, 
    function(){$(this).removeClass(&#39;cur&#39;);$(&#39;.main-nav&#39;).find(&#39;a[href="<?php echo "/".$path[1];?>"]&#39;).addClass(&#39;cur&#39;);} 
  ); 
  $(&#39;.main-nav&#39;).find(&#39;a[href="<?php echo "/".$path[1];?>"]&#39;).addClass(&#39;cur&#39;); //加载页面时就添加样式 
}); 
</script>

Get< ;a href="/">This element

$(".main-nav").find('a[href="/"]');

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