我做了四个按钮（input type="button"）在html，并希望他们点击运行功能，但什么也没发生。
html代码是：

<div id="newtext" style="position:absolute; top:100px;">
    <p>this is Text</p>
</div>
<form>
    <input type="button" name="moveLayer" value="move Left" onclick="move('left');">
    <input type="button" name="moveLayer" value="move Right" onclick="move('right');">
    <input type="button" name="moveLayer" value="move Up" onclick="move('up'); ">
    <input type="button" name="moveLayer" value="move Down" onclick="move('down'); ">
</form>

脚本是：

function move(direction) {
    var layerText = document.getElementByID("newtext");

    switch(direction) {
    
    case "left":
        layerText.style.left=50;
        break;
        
    case "right":
        layerText.style.right=150;
        break;
    
    case "up":
        layerText.style.up=50;
        break;
    case "down":
        layerText.style.down=150;
        break;
    default:
    it is not working;
    }
}

谢谢提前…