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console 命令行工具 X clear

                    
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console

            
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>flex布局</title>
<style>
#main {
    width: 220px;
    height: 300px;
    border: 1px solid black;
    display: flex;
}
</style>
</head>
<body>
<div>
    align-items:
    <label><input type="radio" name="align-items" value="flex-start">flex-start</label>
    <label><input type="radio" name="align-items" value="flex-end">flex-end</label>
    <label><input type="radio" name="align-items" value="stretch">stretch</label>
    <label><input type="radio" name="align-items" value="center">center</label>
</div>

<div id="main">
  <div style="background-color:coral;">RED</div>
  <div style="background-color:lightblue;">BLUE</div>
  <div style="background-color:lightgreen;">Green div with more content.</div>
</div>

</body>
<script>
$("input[name='align-items']").on("click", function(){
    $("#main").css("align-items", $(this).val());
});
</script>
</html>

本项目引用的自定义外部资源