When evaluate for loop, we have await promise inside the async function, the execution will pause until the await promise is settled. So, you can think of that ... ... <看更多>

(It was not suitable for promises, and it is not suitable for async-await.) For example, the following forEach loop might not do what it appears to do:. ... <看更多>

await 則是可以暫停非同步函式的運行（中止 Promise 的運行），直到非 ... 有了同步的寫法，因此許多原有的JS 語法都可以一起搭配做使用，如迴圈、 ... ... <看更多>

Below is the JS file. async tcvChange(event) { let tempList = JSON.parse(JSON.stringify(this.lineItems)); console.log('list before + ... ... <看更多>