<pre class="shiki github-dark shaku"><code>/** * @param {Function} func * @param {any[]} args * @returns {Function} */function partial(func, ...args) { return function(...restArgs) { const copyArgs = args.map( (arg) =&gt; arg === partial.placeholder ? restArgs.shift() : arg ); return func.call(this, ...copyArgs, ...restArgs); } }partial.placeholder = Symbol();</code></pre>

This is my Solution !

_.partial() works like Function.prototype.bind() but this is not bound. please create your own partial() const func = (...args) => argsconst func123 =…