react app

react-app/node_modules/core-js/modules/es6.math.tanh.js

@@ -0,0 +1,12 @@
+// 20.2.2.33 Math.tanh(x)
+var $export = require('./$.export')
+  , expm1   = require('./$.math-expm1')
+  , exp     = Math.exp;
+
+$export($export.S, 'Math', {
+  tanh: function tanh(x){
+    var a = expm1(x = +x)
+      , b = expm1(-x);
+    return a == Infinity ? 1 : b == Infinity ? -1 : (a - b) / (exp(x) + exp(-x));
+  }
+});