WebFeb 21, 2024 · The querySelector method returns the first element that matches a specified CSS selector (s) in the document. The method forEach is only available on arrays. You should use querySelectorAll in this case. By the way, when using React it would be better to use the useRef hook to refer to your elements. WebSep 19, 2024 · If you want to see each data.name use this: this.xyz.forEach ( (data)=> {console.log (data.name)}) – Robin De Schepper Sep 19, 2024 at 12:23 Add a comment 1 It seems that your this.xyz is not an array, but has an array property called content, you should modify your response object in order to accept it.
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WebMay 8, 2024 · export default function Comp (props) { const [data, setIsLoading] = useLambdaApi () useEffect ( () => { const interval = setInterval ( () => { setIsLoading (true) console.log (Date ()) }, 10000); return () => { window.clearInterval (interval); // clear the interval in the cleanup function }; }, [data]); return ( ... ) } WebFeb 22, 2024 · 6. 7const keys = Object.keys(person) 8. 9keys.forEach(key => {. 10 console.log(key + ": " + person[key]) 11}) In the above code, Object.keys returns an array … therabreath coupons to print
TypeError: (data []).forEach is not a function - Stack Overflow
WebgetElementsByTagName returns an HTMLCollection, which do not have a forEach method. But, there's a simple tweak that will allow you to iterate with forEach without creating an intermediate array: use querySelectorAll instead. querySelectorAll returns a NodeList, and modern browsers have a NodeList.prototype.forEach method: WebApr 6, 2024 · The forEach() method is an iterative method.It calls a provided callbackFn function once for each element in an array in ascending-index order. Unlike map(), … WebMar 30, 2024 · The forEach method executes the provided callback once for each key of the map which actually exist. It is not invoked for keys which have been deleted. However, it is executed for values which are present but have the value undefined . callback is invoked with three arguments: the entry's value. the entry's key. the Map object being traversed. therabreath commercial gymnast