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Debug javascript tips

The debugger statement invokes any available debugging functionality, such as setting a breakpoint. If no debugging functionality is available (aka F12), this statement has no effect.

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//https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Statements/debugger
function potentiallyBuggyCode() {
    debugger;

    if (this.User == null)
    .
    .
    .
}

Debug Typescript into VSCode

https://code.visualstudio.com/docs/typescript/typescript-debugging

nodeJS remote debugging

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//src - https://github.com/nodejs/node/issues/23693

navigate @:
chrome://inspect/#devices

Open dedicated DevTools for Node

webpack - casual by F12

Dont forget, when replacing functions with arrow functions expression (also known as fat arrow function) can access this!!

origin - https://www.pipiscrew.com/?p=15101 debug-javascript-tips

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