我对如何使用按钮触发器添加形状有疑问。但不工作这是我的代码:HTML<button id="btnCreateRectangle" class="btn-primary-blue">Button Text</button>这里是我的 js: function addRectangle(layer) { var scale = 1; var rectangle = new Konva.Rect({ x: 12, y: 12, numPoints: 5, innerRadius: 30, outerRadius: 50, fill: "#89b717", opacity: 0.8, draggable: true, name: 'rect', width: 128, height: 50, scale: { x: scale, y: scale }, shadowColor: "black", shadowBlur: 4, shadowOffset: { x: 5, y: 5 }, shadowOpacity: 0.6, // custom attribute startScale: scale }); layer.add(rectangle); }document .getElementById('btnCreateRectangle') .addEventListener('click', function () { addRectangle(layer) });我在 javasrcipt 语言中非常新,任何建议或答案将不胜感激
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