You might want a trustworthy helper who visits each item in your array and finishes the task you set. That is the summary of forEach(). It takes a callback function that runs on each element, making ...

You might want a trustworthy helper who visits each item in your array and finishes the task you set. That is the summary of forEach(). It takes a callback function that runs on each element, making ...

JavaScript’s arrays can hold heterogeneous types, change size on the fly, and readily insert or remove elements. Traditional methods like slice, splice, and push/pop do this by operating on the array ...