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          ??一站式輕松地調用各大LLM模型接口，支持GPT4、智譜、豆包、星火、月之暗面及文生圖、文生視頻
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                            ## 點擊藍色塊
```
    <style>
        #box1 {
            width: 300px;
            height: 300px;
            background-color: pink;
        }

        #box2 {
            width: 200px;
            height: 200px;
            background-color: black;
        }

        #box3 {
            width: 100px;
            height: 100px;
            background-color: skyblue;
        }

    </style>
</head>
<body>
<input type="button" value="按鈕" id="btn">
<div id="box1">
    <div id="box2">
        <div id="box3">

        </div>
    </div>
</div>
<script>
    var box1 = document.getElementById('box1');
    var box2 = document.getElementById('box2');
    var box3 = document.getElementById('box3');
    var arr = [box1, box2, box3];
    for (let i = 0; i < arr.length; i++) {
        var box = arr[i];
        box.onclick = function (e) {    //系統調用的,系統傳入e
            e = e || window.event;
            console.log(e.eventPhase);  //事件階段
            var target = e.target || e.srcElement;
            console.log(target);        //獲取真正觸發事件的對象
            console.log(e.currentTarget);//和this一樣,獲取事件處理函數所屬的對象
            console.log(this);
        }
    }
</script>
```
![](https://box.kancloud.cn/6bb990c3661d71e4528cbdf00579ecc8_994x1520.png)
                    
                
        
                
            
        
                
    
                
    
                
        
                
    
                

                







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