Intial Commit

nodered/rootfs/data/node_modules/mathjs/examples/objects.js

@@ -0,0 +1,36 @@
+// objects
+
+// load math.js (using node.js)
+var math = require('../index');
+
+// create an object. Keys can be symbols or strings
+print(math.eval('{x: 2 + 1, y: 4}'));           // {"x": 3, "y": 4}
+print(math.eval('{"name": "John"}'));           // {"name": "John"}
+
+// create an object containing an object
+print(math.eval('{a: 2, b: {c: 3, d: 4}}'));    // {"a": 2, "b": {"c": 3, "d": 4}}
+
+var scope = {
+  obj: {
+    prop: 42
+  }
+};
+
+// retrieve properties using dot notation or bracket notation
+print(math.eval('obj.prop', scope));            // 42
+print(math.eval('obj["prop"]', scope));         // 42
+
+// set properties (returns the whole object, not the property value!)
+print(math.eval('obj.prop = 43', scope));       // {"prop": 43}
+print(math.eval('obj["prop"] = 43', scope));    // {"prop": 43}
+print(scope.obj);                               // {"prop": 43}
+
+
+/**
+ * Helper function to output a value in the console. Value will be formatted.
+ * @param {*} value
+ */
+function print (value) {
+  var precision = 14;
+  console.log(math.format(value, precision));
+}