let startDate = new Date(); let elapsedTime = 0; const focus = function() { startDate = new Date(); }; const blur = function() { const endDate = new Date(); const spentTime = endDate.getTime() - startDate.getTime(); elapsedTime += spentTime; }; const beforeunload = function() { const endDate = new Date(); const spentTime = endDate.getTime() - startDate.getTime(); elapsedTime += spentTime; // elapsedTime contains the time spent on page in milliseconds }; window.addEventListener('focus', focus); window.addEventListener('blur', blur); window.addEventListener('beforeunload', beforeunload);
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Writer: Ashish sinha
Ashish sinha
Jun 10, 20206 min read

Performance weary queries in oracle

I had been going pity busy in recent time with several interviews scheduled. Every interview i took, Otherwise different in their...

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Writer: Ashish sinha
Ashish sinha
May 16, 20205 min read

Writing optimized PL/SQL code.

PL/SQL was first released in 1992 as an optional extension to Oracle 6. In its initial years it lacked the optimizations needed to...

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