What are some examples of using the Performance API in JavaScript?
An example of an AI chatbot conversation about JavaScript Performance API examples.
What are some examples of using the Performance API in JavaScript?
The Performance API provides methods to measure the performance of web applications. For example, you can use performance.now() to get a timestamp in milliseconds.
Can you show me how to use performance.mark and performance.measure?
Sure! You can use performance.mark('start') to mark the beginning of a process and performance.mark('end') to mark the end. Then, use performance.measure('My Measure', 'start', 'end') to measure the time taken.
How can I view the performance entries?
You can view the performance entries by calling performance.getEntriesByType('measure') which will return an array of all the measures you've created.
Are there any browser compatibility issues I should be aware of?
Most modern browsers support the Performance API, but it's always good to check compatibility on sites like MDN Web Docs.
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