What is the JavaScript Performance API?
An example of an AI chatbot conversation about the JavaScript Performance API.
What is the JavaScript Performance API?
The JavaScript Performance API provides methods to measure the performance of web applications, helping developers optimize their code.
How can I use the Performance API to measure page load time?
You can use performance.now() to get a timestamp in milliseconds, and performance.mark() to create custom timestamps for specific events.
Can you give me an example of how to implement it?
Sure! You can start by marking the beginning of your page load with performance.mark('start') and the end with performance.mark('end'). Then, use performance.measure('loadTime', 'start', 'end') to measure the time.
What other features does the Performance API offer?
It also includes features like resource timing, navigation timing, and user timing, which help analyze different aspects of performance.
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