JSHandle.getProperties() 方法
¥JSHandle.getProperties() method
获取表示当前句柄属性的句柄映射。
¥Gets a map of handles representing the properties of the current handle.
签名
¥Signature
class JSHandle {
getProperties(): Promise<Map<string, JSHandle>>;
}
Returns:
Promise<Map<string, JSHandle>>
示例
¥Example
const listHandle = await page.evaluateHandle(() => document.body.children);
const properties = await listHandle.getProperties();
const children = [];
for (const property of properties.values()) {
const element = property.asElement();
if (element) {
children.push(element);
}
}
children; // holds elementHandles to all children of document.body