兼容IE8 input的placeholder的文字显示 复制代

if( !('placeholder'indocument.createElement('input')) ){

$('input[placeholder],textarea[placeholder]').each(function(){varthat = $(this),

text= that.attr('placeholder');//console.log(text);if(that.val()===""){

that.val(text).addClass('placeholder');

}

that.focus(function(){if(that.val()===text){

that.val("").removeClass('placeholder');

}

}).blur(function(){if(that.val()===""){

that.val(text).addClass('placeholder');

}

}).closest('form').submit(function(){if(that.val() ===text){

that.val('');

}

});

});

}