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How to find the second largest element in a user-input JavaScript array?
Let’s say following is our array −
var numbers=[10,50,80,60,89];
To find the second largest element, the code is as follows −
Example
var numbers=[10,50,80,60,89]; var firstLargerNumber = Number.MIN_SAFE_INTEGER; var secondlargerNumber = firstLargerNumber; for(var tempNumber of numbers){ if(tempNumber > firstLargerNumber){ secondlargerNumber = firstLargerNumber; firstLargerNumber = tempNumber; } else if(tempNumber > secondlargerNumber){ secondlargerNumber = tempNumber; } } console.log("The second largest number="+secondlargerNumber);
To run the above program, you need to use the following command −
node fileName.js.
Here, my file name is demo138.js.
Output
This will produce the following output −
PS C:\Users\Amit\JavaScript-code> node demo138.js The second largest number=80
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