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Questionjavascript alert() not showing Pin
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QuestionInserting HTML from a fetch gives me extra blank rows..? Pin
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GeneralRe: Inserting HTML from a fetch gives me extra blank rows..? Pin
Richard MacCutchan30-Oct-23 1:53
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QuestionInserting HTML from a fetch gives me extra blank rows..? Pin
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QuestionMoving a <div> from right edge of screen to left slowly? Pin
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Steve Raw21-Oct-23 18:39
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QuestionJasmine - monitor all calls of a method? Pin
NoMoreStackOverflow22-Sep-23 1:25
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AnswerRe: Jasmine - monitor all calls of a method? Pin
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QuestionMutation Observer, editing a value Pin
jkirkerx15-Aug-23 12:49
professionaljkirkerx15-Aug-23 12:49 
AnswerRe: Mutation Observer, editing a value Pin
jkirkerx15-Aug-23 13:07
professionaljkirkerx15-Aug-23 13:07 
Strange how when I post something here, it makes me rethink the problem in a different way.

I concluded that I need to create the observer first, populate that observer with code to update the totals posted at the bottom, and then run the code to change the invoice. Pretty much backwards in order, but I get it now. At least I think this is correct, and it works so far, but I haven't tested enough to confirm that it doesn't conflict with anything.

Makes sense now, setup the mutation observer, program the response when it fires, then run the code to update the invoice.
export function updateAnyTypeInvoiceInvoiceRecordMutationObservable(classCode, catalogId, invRecordId, jsonData, data) {

        const observer = new MutationObserver(mutationsList => {
            for (const mutation of mutationsList) {

                // Text content within one of the observed nodes has changed
                // You can respond to the change here
                console.log('Text content has changed:', mutation.target.textContent);

                Code that adds up all the invoice cost, and changes the total at the bottom

                // get a list of unprocessed mutations
                // should be called before disconnecting,
                // if you care about possibly unhandled recent mutations
                let mutationRecords = observer.takeRecords();
                console.log(mutationRecords);

                // After a reasonable time, disconnect the observer even if the element wasn't found
                observer.disconnect();

            }
        });

        // Specify the options for the observer
        const config = { childList: true, subtree: true, characterData: true };
        const targetNode = document.getElementById('invInvoiceAmount_' + classCode + '_' + invRecordId);<br />
        observer.observe(targetNode, config);

        Javascript that changes the invoice values called last

    } catch (error) {
        console.log('updateAnyTypeInvoiceInvoiceRecordMutationObservable Error', error);
        alert('updateAnyTypeInvoiceInvoiceRecordMutationObservable Error: ' + error);
    }
}
If it ain't broke don't fix it
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GeneralRe: Mutation Observer, editing a value Pin
Richard Deeming15-Aug-23 22:36
mveRichard Deeming15-Aug-23 22:36 
GeneralRe: Mutation Observer, editing a value Pin
jkirkerx16-Aug-23 7:33
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AnswerRe: C++ Issue: Forgotten Virtual Destructor - Need Help Resolving! Pin
Richard MacCutchan15-May-23 2:53
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GeneralRe: C++ Issue: Forgotten Virtual Destructor - Need Help Resolving! Pin
Richard Deeming15-May-23 6:25
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Question[Learning/Beginner] Confused about await, async and fetch. Pin
Maximilien2-May-23 4:09
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AnswerRe: [Learning/Beginner] Confused about await, async and fetch. Pin
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GeneralRe: [Learning/Beginner] Confused about await, async and fetch. Pin
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