JavaScript, while perhaps the language with the most buzz these days, nonetheless continues to score relatively low in the Tiobe index of popular programming languages. But the popular Web ...

Returns a new array with the element at the given index replaced with the given value, without modifying the original array. If you're not yet familiar with array basics, consider first reading ...

JavaScript String indexOf() method : The indexOf() method is used to return the index value of specified string. It will give the index of string comes first from the start. We can also start ...