46 lines
1.3 KiB
Markdown
46 lines
1.3 KiB
Markdown
# String
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a piece of text.
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### @parent blocks/language
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A *String* is a sequence of characters. For the @boardname@, ASCII character codes 32 to 126 are supported; letters, digits, punctuation marks, and a few symbols. All other character codes appear as a ? on the [LED screen](/device/screen).
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### Create a string variable
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```block
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let salutation = "Hello";
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```
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To create a variable that holds a string:
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1. Click `Variables` (in the Block drawer).
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2. Type a name for your new string variable by clicking the down arrow, then click New Variable. Then type the variable name "salutation"
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2. Drag a string block on the right side of the operator.
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3. Click `"Hello"` and then type a string like `hello`.
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Your code should look something like this:
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```block
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let salutation = "Hello";
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```
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### The function `show string`
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Use [show string](/reference/basic/show-string) to display a string on the [LED screen](/device/screen).
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If the string is multiple characters, the string scrolls right to left. The following example displays `Hello world!` on the @boardname@ screen:
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```block
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basic.showString("Hello world!");
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```
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The parameter of `show string` specifies the string
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### See also
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[string functions](/reference/types/string-functions), [Number](/reference/types/number), [show string](/reference/basic/show-string)
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