Use of try-catch in JavaScript

Question

How time-intensive is the use of try/catch in JavaScript? I have an application and I am using it in a function which is called a few hundred times. N

Answer 1

There are some nice tests on jsPref:

• http://jsperf.com/try-catch-performance-overhead
• http://jsperf.com/try-catch-versus-massive-if
• http://jsperf.com/try-catch-002

Conclusion: on the major browser, null to minimal differences.