3. Chart.js의 배열 pop

Array pop method in Chart js

The javascript array method pop removes the last value from an array, which is the exact opposite of the array push method. Which is essential to know as this will make sure you have understanding of how to manipulate array values and remove the last value.

When you want to show specific items in a dataset and remove certain items this is quite useful. This video shows you how to use the array pop method in Chart js to remove the last value from an array.

Array pop method chart js

Array Pop Chart.js Code

By using the array pop method you always remove the last value from your array. The pop method will add a remove value to the very end of the array. See code sample below for basic understanding.

const colors = ['red', 'blue', 'green'];

colors.pop() // colors = ['red', 'blue'];

The four basic array methods

If you start developing with Chart.js there are four specific array methods you should begin with. There are many more that are much more powerful but tend to be more complicated. So having a foundation before explore more advance array methods.

  1. Array Push Method
  2. Array Pop Method
  3. Array Unshift Method
  4. Array Shift Method

Once you understand the basics you can continue on with the ore advance which gives you much more options such as the array method as array indexOf, array slice, and more which are more deeper into the Array Series. Or combining any of these together.

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