Where is the external JavaScript placed in the case of lazy loading?
A. After window.onload event
B. Before window.onload event
C. All of the mentioned
D. None of the mentioned
Answer: Option A
Solution(By Examveda Team)
When we don’t need our JavaScript code to be available as soon as the page loads, we can script-load our external JavaScript after the window.onload event.This Question Belongs to Javascript >> Invocation And Performance Navigation
Which of the following property gives access to the JavaScript memory usage data?
A. performance.memory
B. memory(performance)
C. performance(memory)
D. none of the mentioned
What is the purpose of the timing property in the window.performance object?
A. Time of navigation event
B. Time of page load event
C. Time of navigation and page load event
D. None of the mentioned
Which of the following property is associated with the Response event?
A. responseStart
B. responseEnd
C. both responseStart and responseEnd
D. none of the mentioned
A. responseEnd-loadEventEnd
B. loadEventEnd-responseEnd
C. loadEventEnd/responseEnd
D. responseEnd/loadEventEnd
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