pxt-calliope/docs/blocks/loops/for.md
Peli de Halleux 92b60a251d On start support (#324)
* annotating APIs to support onstart

* missed file

* updated templates

* adding new lines in main.ts

* fixing docs

* removing onstart

* updated docs

* updated various docs

* more docs

* adding upgrade policies for blocks

* updated pxt reference

* placing on start under "basic"
2016-12-19 14:09:35 -08:00

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Markdown

# For
### @parent blocks/language
Run part of the program the number of times you say.
```block
for(let i = 0; i <= 4; ++i) {
}
```
### Example: Count to 4
This program will show the numbers 0, 1, 2, 3, and 4 one after another on the LED screen.
```blocks
input.onButtonPressed(Button.A, () => {
for(let i = 0; i < 5; ++i) {
basic.showNumber(i)
}
})
```
### See also
[repeat](/blocks/loops/repeat), [while](/blocks/loops/while), [if](/blocks/logic/if), [show number](/reference/basic/show-number)