enijar/README.md

Created February 5, 2020 22:43

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enijar created this gist Feb 5, 2020.

README.md

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+    Takes a value from range (x1, y1) and maps that value to a new range (x2, y2).
+    ```javascript
+    const map = (value, x1, y1, x2, y2) => (value - x1) * (y2 - x2) / (y1 - x1) + x2;
+    const value = 5; // range (1, 10)
+    console.log(map(value, 1, 10, 0, 1)); // 0.5
+    ```