import 'https://mozilla.github.io/pdf.js/build/pdf.mjs'; export async function pdfToImages(b64, url) { var { pdfjsLib } = globalThis; pdfjsLib.GlobalWorkerOptions.workerSrc = '//mozilla.github.io/pdf.js/build/pdf.worker.mjs'; var images = []; let currPage = 1; var loadingTask...
1、首先定义 module 文件:bbb.js# Copy constfs =require("fs");functionreadFileSync() {letresult = fs.readFileSync("./result.log");returnresult; }asyncfunctionreadFileAsync() {letresult =awaitnewPromise((resolve, reject) =>{ fs.readFile("./result.log",(err, data) =>{if(err)reject(...
JS export 异步导出 function getUrl () { req().then(res => { console.log(res); }).catch(err => { console.log(err); }) } export async function myReq() { await getUrl(); return '123'; }
export function sum(x, y) { return x + y }export function difference(x, y) { return x - y }export function product(x, y) { return x * y }export function quotient(x, y) { return x / y } 在script.js中用import从前面的functions.js模块中检索代码。 注意:import必须始终位于文件的顶...
async function main() { const myModule = await import('./myModule.js'); const {export1, export2} = await import('./myModule.js'); const [module1, module2, module3] = await Promise.all([ import('./module1.js'), import('./module2.js'), import('./module3.js'), ]); } ...
functions.js function sum(x, y) { return x + y } function difference(x, y) { return x - y } function product(x, y) { return x * y } function quotient(x, y) { return x / y } 1. 2. 3. 4. 5. 6. 7. 8. 9.
export async function fetchData() { try { const response = await fetch(' const data = await response.json(); return data; } catch (error) { console.error('Error fetching data:', error); throw error; } } ``` 在外部模块中,我们可以以同步的方式引入并调用这个异步函数: ```javascript imp...
function (含 async 和 generator) class let const export 还有一种特殊的用法,就是跟 default 联合使用。export default 表示导出一个默认变量值,它可以用于 function 和 class。这里导出的变量是没有名称的,可以使用import x from "./a.js"这样的语法,在模块中引入。
exportasyncfunctionsetMessage(){const{ getAssemblyExports } =awaitglobalThis.getDotnetRuntime(0);varexports =awaitgetAssemblyExports("BlazorSample.dll");document.getElementById("result").innerText = exports.BlazorSample.Components.Pages.CallDotNet1.GetMessageFromDotnet(); } ...
// This function is async export const loginWithToken = async () => { // This one is not though which means it can't use await inside // return dispatch => { // Instead it should likely be: return async dispatch => { dispatch({type: SESSION_LOGIN_IN_PROGRESS, payload: true}) ...