Question about JavaScript: Is it safe for a script tag to be visible in the body of the developer console and for functions to be run directly on the website? It raises security concerns, and there should be measures in place to prevent this kind of display in the browser. Perhaps some form of encryption or security method can be implemented to ensure that JavaScript functions remain unreadable.
Thank you,
Even though it's widely known that front-end security is not foolproof, you can still achieve a level of protection through scoping. Here's an example:
const Example = (() => {
function Example() {
const hiddenFunction1 = (() => { });
const hiddenFunction2 = (() => { });
hiddenFunction1();
hiddenFunction2();
}
Example.prototype.visibleFunction1 = function(){ }
Example.prototype.visibleFunction2 = function(){ }
return Example;
})();
In this setup, only Example.visibleFunction1 and Example.visibleFunction2 will be accessible from an external file. The hiddenFunction1 and hiddenFunction2 are restricted to the constructor's scope, acting as private functions.
To properly use this design pattern, initiate it like so:
const example = new Example();
example.visibleFunction1();
example.visibleFunction2();
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