> Word "shift" is shorter than the word "unshift". Therefore shift() makes the array shorter. > Word "unshift" is longer than the word "shift". Therefore unshi

> Word "shift" is shorter than the word "unshift". Therefore shift() makes the array shorter. > Word "unshift" is longer than the word "shift". Therefore unshift() makes the array longer. This is quite useful as I too couldn't remember which is which. Thanks for sharing!