Variables
Use the Variable blocks to store a value that the code can refer to later.
Example 1
In this example, we create the variable diceValue
and set it to a random number between 1
and 6
. The value of diceValue
is then displayed in a text output called diceDisplay
. A Digits display shows the text output.
Example 2
This example contains two variables. The first variable notesList
stores a list of numbers. The second variable j
is defined as the item in each list. The first time the loop circles through, j
is 261; the second time, it's 327; and the third, it's 392.
Example 3
If a variable is a number, you can use the change by block to increase or decrease the value of the variable. In this example, the variable button1Count
increases by 1 each time you press Button 1 on the //code.Node.
Note
Set the value of button1Count
to 0 at the beginning of the code, since Blockly doesn't assume that a variable starts at 0.