Calculate Javascript Execution Time

During the java-script / jquery application development at webkul , every time we need to understand about the performance of the code life cycle as we work extensively on jquery and java-script / node.js it almost inevitable to check the code performance .

Console logging is brilliant feature for all the modern web browsers and almost every modern browser provide the console.log() api . You can use following java script methods to measure the  execution time

• Date().getTime();
• console.time()/console.timeEnd()
• performance.now()

Date().getTime(); Example 

speed performance  Performance.now() Example  JS Binconsole.time()/console.timeEnd Example 

JS Bin

console.time out put will be like this