HR Interview Questions Computer Glossary Who is Who htmlletarray=[];array[1]='apple';array[3]='banana';array[5]='cherry';letiterator=array.values();document.write(iterator.next().value,);//undefineddocument.write(iterator.next().value,);//'apple'document.write(iterator.next().value,);...
Another important point to note that two nested for loops won't help when all rows of a seemingly looking two dimensional array have different number of columns. The for-each variant of for loop proved to be suitable for such conditions. ...
QueueQueuedatafronttail}end-- enqueue function to insert an element to the end of queuefunctionQueue.enqueue(queue,value)-- increment the tail indexqueue.tail=queue.tail+1-- add the element to the tail indexqueue.data[queue.tail]=valueend-- dequeue function to remove an element from the fro...
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constanimals=["Lion","Cheetah","Tiger"];constresult=animals.splice(-2,1,"Elephant","Dinosaur");document.getElementById("demo").innerHTML=animals; After executing the program, the element Cheetah will be removed and Elephant and Dinosaur will be removed. Output Lion,Elephant,Dinosaur,Tiger...
Generate Coding Logic HR Interview Questions Computer Glossary Who is WhoJavaScript - Array slice() MethodPrevious Quiz Next In JavaScript, the Array.slice() method is used to select a portion of elements from an array and return a new array with those selected elements. It accepts two paramete...
Generate Coding Logic HR Interview Questions Computer Glossary Who is WhoJavaScript - Array map() MethodPrevious Quiz Next In JavaScript, the Array.map() method creates a new array by applying a provided function on each element of the original array. It doesn't modify the original array instea...
Generate Coding Logic HR Interview Questions Computer Glossary Who is WhoJavaScript - Array .reduce() MethodPrevious Quiz Next In JavaScript, the Array.reduce() method is used to manipulate array. This method executes a reducer function on each element of the array (from left to right) and ret...
Output It returns '−1' as result because, no element in the array satisfies the function. -1 Print Page Previous Next
htmlbodyconstfruits=["apple","banana","cherry","mango"];functionexists(arr,val){returnarr.some((arrVal)=>val===arrVal);}document.write(exists(fruits,"orange"),"");document.write(exists(fruits,"banana")); Output false true Print Page Previous Next...