Compile exponentiation operator to ES5
// x ** y
let squared = 2 ** 2;
// same as: 2 * 2
let cubed = 2 ** 3;
// same as: 2 * 2 * 2
// x **= y
let a = 2;
a **= 2;
// same as: a = a * a;
let b = 3;
b **= 3;
// same as: b = b * b * b;npm install --save-dev babel-plugin-transform-exponentiation-operator.babelrc
{
"plugins": ["transform-exponentiation-operator"]
}babel --plugins transform-exponentiation-operator script.jsrequire("babel-core").transform("code", {
plugins: ["transform-exponentiation-operator"]
});