Quartz sync: May 6, 2024, 10:40 PM

content/20200613172137-binding_variables_in_javascript.md

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+---
+id: 6efc70be-8154-420f-a92e-622ef1ad960c
+title: Binding / Variables in JavaScript
+---
+
+# ES6
+
+## Let
+
+``` javascript
+let caught = 5 * 5
+console.log(caught)
+
+let mood = "light"
+console.log(mood)
+mood = "dark"
+console.log(mood)
+
+let luigisDebt = 140;
+luigisDebt = luigisDebt - 35;
+console.log(luigisDebt);
+```
+
+A single let statement my define multiple bindings
+
+``` javascript
+let one = 1, two = 2
+console.log(one + two)
+```
+
+## Const
+
+This is a constant binding. It points to the same value for as long as
+it lives
+
+``` javascript
+const blaat = "abcd"
+console.log(blaat)
+/**
+ * Following will both cause errors:
+ *
+ * blaat = "efgh"
+ * let blaat = "efgh"
+*/
+```