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in Technique[技术] by (71.8m points)

如下js代码“2222”为什么没有覆盖“1111”,而是都显示出来了?


<html>
<head>

</head>
<body>
<div class ="scroller"></div>
</body>
</html>
<script>
function insertMessageText(message) {
    var content = $('<div class="l-row l-center"></div>');
    
    content.html(message);
    $(".scroller").append(content);
    
}
    insertMessageText("<i class='mui-icon icon-tongzhi'></i>1111")
    insertMessageText("<i class='mui-icon icon-tongzhi'></i>2222")

                
</script>

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1 Reply

0 votes
by (71.8m points)

append 是插入到最后

修改内容用 html

$(".scroller").html(content);

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