DOM定义了访问html的一套:
时间: 2024-05-24 10:10:17 浏览: 7
API(应用程序编程接口)。这些API允许开发人员使用JavaScript和其他编程语言来访问和修改网页的内容和结构。使用DOM,可以轻松地向网页添加、删除或更改元素和属性,以及响应用户事件和交互。DOM还提供了一些常用的方法和属性,如getElementById()、getElementsByTagName()、innerHTML、style等,使开发人员可以更轻松地操作网页。
相关问题
{ type: "searchSelect", placeholder: "签约机构", valueName: 'signOrganId', optionName: "label", searchItemName: "label", optionId: "key", searchApi:commonService.orgPageList({}).then(res=>{ const {retData}=res retData.map(item=>{ return {key: item.id, label: item.organName, value: item.id,} }) }) }, 分析一下此段代码的报错 汉语解释index.jsx:55 Uncaught TypeError: item.searchApi is not a function at searchQuery (index.jsx:55:1) at onFocus (index.jsx:129:1) at onContainerFocus (BaseSelect.js:326:1) at HTMLUnknownElement.callCallback (react-dom.development.js:188:1) at Object.invokeGuardedCallbackDev (react-dom.development.js:237:1) at invokeGuardedCallback (react-dom.development.js:292:1) at invokeGuardedCallbackAndCatchFirstError (react-dom.development.js:306:1) at executeDispatch (react-dom.development.js:389:1) at executeDispatchesInOrder (react-dom.development.js:414:1) at executeDispatchesAndRelease (react-dom.development.js:3278:1) at executeDispatchesAndReleaseTopLevel (react-dom.development.js:3287:1) at forEachAccumulated (react-dom.development.js:3259:1) at runEventsInBatch (react-dom.development.js:3304:1) at runExtractedPluginEventsInBatch (react-dom.development.js:3514:1) at handleTopLevel (react-dom.development.js:3558:1) at batchedEventUpdates$1 (react-dom.development.js:21871:1) at batchedEventUpdates (react-dom.development.js:795:1) at dispatchEventForLegacyPluginEventSystem (react-dom.development.js:3568:1) at attemptToDispatchEvent (react-dom.development.js:4267:1) at dispatchEvent (react-dom.development.js:4189:1) at unstable_runWithPriority (scheduler.development.js:653:1) at runWithPriority$1 (react-dom.development.js:11039:1) at discreteUpdates$1 (react-dom.development.js:21887:1) at discreteUpdates (react-dom.development.js:806:1) at dispatchDiscreteEvent (react-dom.development.js:4168:1)
根据提供的代码,出现报错的原因是在 `item.searchApi` 中,`searchApi` 并不是一个函数。根据代码逻辑,`searchApi` 是一个使用 `commonService.orgPageList({})` 进行异步请求的 Promise 对象,它的结果会在 `then` 方法中进行处理。
然而,在这段代码中,`searchQuery` 函数中使用了 `item.searchApi()` 来调用这个函数,而实际上 `item.searchApi` 不是一个函数,所以会报错。
要解决这个问题,可以将 `searchQuery` 函数中的 `item.searchApi()` 替换为 `item.searchApi.then()`,并在 `then` 方法中处理结果。
以下是修改后的代码示例:
```jsx
const searchQuery = (value) => {
item.searchApi.then(res => {
const { retData } = res;
retData.map(item => {
return {
key: item.id,
label: item.organName,
value: item.id,
};
});
});
};
// 其他代码...
```
这样修改后,应该就能正确地调用异步请求并处理结果了。
advancedLightingService.setStartKeyColorCallback(startKeyColorCallback).then(()=>{ }).catch((error:any)=>{ console.error(error); }); indexfour:1 Uncaught (in promise) {errorcode: 1726, description: 'The remote procedure call failed.\r\n'} Promise.then(异步) (匿名) @ advanced-lighting.feature.ts:92 setStartKeyColorCallback @ advanced-lighting.feature.ts:92 setStartKeyColorCallback @ advanced-lighting.service.ts:28 (匿名) @ useGetKeycode.ts:26 commitHookEffectListMount @ react-dom.development.js:23049 commitPassiveMountOnFiber @ react-dom.development.js:24816 commitPassiveMountEffects_complete @ react-dom.development.js:24781 commitPassiveMountEffects_begin @ react-dom.development.js:24768 commitPassiveMountEffects @ react-dom.development.js:24756 flushPassiveEffectsImpl @ react-dom.development.js:26990 flushPassiveEffects @ react-dom.development.js:26935 commitRootImpl @ react-dom.development.js:26886 commitRoot @ react-dom.development.js:26638 performSyncWorkOnRoot @ react-dom.development.js:26073 flushSyncCallbacks @ react-dom.development.js:12009 (匿名) @ react-dom.development.js:25607
这段代码看起来是使用 JavaScript 编写的,它使用了 Promise 对象。根据错误信息,它似乎是一个远程过程调用失败的错误。具体原因可能需要根据代码上下文和环境进行分析。
这段代码中使用了 `advancedLightingService.setStartKeyColorCallback()` 方法,并传入一个名为 `startKeyColorCallback` 的回调函数。该方法返回一个 Promise 对象,并在 Promise 的 `then()` 方法中执行一个空函数和 `catch()` 方法中打印错误信息。
如果您能提供更多上下文和信息,我可能能够帮助您解决问题。