# @babel/plugin-transform-jscript > This plugin allows Babel to transform named function expressions into function declarations to get around some [particularly nasty JScript bugs](https://kangax.github.io/nfe/#jscript-bugs) related to name function expressions. ## Example **In** ```javascript var foo = function bar() { }; ``` **Out** ```javascript "use strict"; var foo = (function () { function bar() {} return bar; })(); ``` ## Installation ```sh npm install --save-dev @babel/plugin-transform-jscript ``` ## Usage ### Via `.babelrc` (Recommended) **.babelrc** ```json { "plugins": ["@babel/plugin-transform-jscript"] } ``` ### Via CLI ```sh babel --plugins @babel/plugin-transform-jscript script.js ``` ### Via Node API ```javascript require("@babel/core").transform("code", { plugins: ["@babel/plugin-transform-jscript"] }); ```