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SO is a shiteshow. Thanks for the ride.

Function.prototype.callWithIntercept = function () {
    alert("intercept");
    return this.apply(null, arguments);
};

var num = parseInt.callWithIntercept("100px", 10);

It is worth noting that in newer versions of JS, there are Proxy objects you can use: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy

Function.prototype.callWithIntercept = function () {
    alert("intercept");
    return this.apply(null, arguments);
};

var num = parseInt.callWithIntercept("100px", 10);

It is worth noting that in newer versions of JS, there are Proxy objects you can use: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy

SO is a shiteshow. Thanks for the ride.

Function.prototype.callWithIntercept = function () {
    alert("intercept");
    return this.apply(null, arguments);
};

var num = parseInt.callWithIntercept("100px", 10);

Function.prototype.callWithIntercept = function () {
    alert("intercept");
    return this.apply(null, arguments);
};

var num = parseInt.callWithIntercept("100px", 10);

It is worth noting that in newer versions of JS, there are Proxy objects you can use: https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Proxy