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91 lines
1.3 KiB
Markdown
91 lines
1.3 KiB
Markdown
# Built-in methods {#js_builtin}
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## require
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Load a module plugin.
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### Parameters
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- Module name
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### Examples:
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```js
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let serial = require("serial"); // Load "serial" module
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```
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## delay
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### Parameters
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- Delay value in ms
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### Examples:
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```js
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delay(500); // Delay for 500ms
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```
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## print
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Print a message on a screen console.
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### Parameters
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The following argument types are supported:
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- String
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- Number
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- Bool
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- undefined
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### Examples:
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```js
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print("string1", "string2", 123);
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```
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## console.log
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## console.warn
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## console.error
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## console.debug
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Same as `print`, but output to serial console only, with corresponding log level.
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## toString
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Convert a number to string with an optional base.
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### Examples:
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```js
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toString(123) // "123"
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toString(123, 16) // "0x7b"
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```
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## parseInt
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Converts a string to a number.
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### Examples:
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```js
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parseInt("123") // 123
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```
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## toUpperCase
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Transforms a string to upper case.
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### Examples:
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```js
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toUpperCase("Example") // "EXAMPLE"
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```
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## toLowerCase
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Transforms a string to lower case.
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### Examples:
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```js
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toLowerCase("Example") // "example"
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```
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## __dirname
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Path to the directory containing the current script.
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### Examples:
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```js
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print(__dirname); // /ext/apps/Scripts/Examples
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```
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## __filename
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Path to the current script file.
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### Examples:
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```js
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print(__filename); // /ext/apps/Scripts/Examples/path.js
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```
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