javascript string and number variables

What does the following evaluate to? "1"+2+4 What about this: 5 + 4 + "3" In the first case since `"1"` is a string, everything is a string, so the result is `"124"`. In the second case, its `93`.what is happening here? Why does addition happen in one instance, while string concatenation occurs in the other? var x = "1" + 2 + 4; var z = 5 + 4 + "3"; console.log(x); // "124" console.log(z); // 93 Can anyone explain this?

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