方法1: onfocus=this.blur() 当鼠标放不上就离开焦点<input type="text" name="input1" value="哈哈" onfocus=this.blur()> 方法2:readonly <input type="text" name="input1" value="哈哈" readonly> <input type="text" name="input1" value="哈哈" readonly="true"> 方法3: ......
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