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La modificación de WebSocket.prototype.send no funciona

Estoy tratando de modificar los mensajes de websocket que envía un sitio. Quiero lograrlo modificando el objeto window.WebSocket . Cuando ejecuto este código en el navegador y verifico la pestaña de red, no se envían mensajes.

 const originalWS = window.WebSocket.prototype.send window.WebSocket.prototype.send = function (x) { console.log(x) return originalWS(x) }

Sin embargo, esto funciona.

 const originalWS = window.WebSocket.prototype.send window.WebSocket.prototype.send = originalWS

¿Por qué es esto?

about 4 years ago · Juan Pablo Isaza
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