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$("button").click(function(){
  $("li").each(function(){
    alert($(this).text())
  });
});

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$(selector).each(function(index,element))
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function(index,element)

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  • index - Ñ¡ÔñÆ÷µÄ index λÖÃ
  • element - µ±Ç°µÄÔªËØ£¨Ò²¿ÉʹÓà "this" Ñ¡ÔñÆ÷£©
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