LeetCode/problems/js/call-function-with-custom-context.js

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/**
* @param {Object} context
* @param {any[]} args
* @return {any}
*/
Function.prototype.callPolyfill = function(context, ...args) {
return this.apply(context, args);
};
/**
* function increment() { this.count++; return this.count; }
* increment.callPolyfill({count: 1}); // 2
*/