How to Escape Quotes in JavaScript for Safe String Interpolation?

Escaping Quotes in JavaScript: Addressing String Interpolation Issues

When outputting data from a database, it's crucial to escape quotes to avoid breaking down JavaScript code. In this specific scenario, the issue arises from the provided string "Prelim Assess "Mini" Report" when it's interpolated into the onclick HTML attribute.

Understanding Quote Escaping

To ensure that JavaScript code remains intact, it's necessary to escape double-quote characters ("") within the string being output. Replacing them with backslashes () is insufficient in an HTML context.

XML Entity Representation

Instead, the double-quote character must be replaced with its XML entity representation:

"

This ensures that the code remains valid and doesn't prematurely terminate the onclick attribute.

Fixing the HTML

To fix the problem, the code should be modified as follows:

edit

Conclusion

By understanding the need for quote escaping and using the correct XML entity representation, you can prevent string interpolation issues and ensure the proper execution of JavaScript code.

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