How to Parse Excel (XLS) Files in Javascript/HTML5 and Convert Data to JSON?

Parsing Excel (XLS) Files in Javascript/HTML5

Parsing Excel files in Javascript can be challenging due to the intricate format of the files. This question explores a specific issue in reading XLS files, where the output includes text and unknown characters alongside the desired data. The user aims to read and convert the data into a JSON format, row by row.

The proposed solution utilizes an optimized function that effectively converts the Excel data into JSON. The function employs the ExcelToJSON library to handle the parsing process. It iterates through the worksheets in the Excel file, converting each to a JSON object. The resulting JSON object can then be utilized for further processing or display.

It's important to ensure that the file is saved in the XLSX format, as the function is optimized for that specific format. If you encounter issues with the XLS format, refer to the provided link for a separate code that handles XLS files specifically.

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