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Operators #147
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25 changes: 12 additions & 13 deletions
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1-js/02-first-steps/08-operators/4-fix-prompt/solution.md
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Original file line number | Diff line number | Diff line change |
---|---|---|
@@ -1,32 +1,31 @@ | ||
The reason is that prompt returns user input as a string. | ||
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So variables have values `"1"` and `"2"` respectively. | ||
Motivul este că prompt returnează inputul utilizatorului ca și un șir. | ||
Astfel variable au valorile `"1"` și `"2"` respectiv. | ||
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```js run | ||
let a = "1"; // prompt("First number?", 1); | ||
let b = "2"; // prompt("Second number?", 2); | ||
let a = "1"; // prompt("Primul număr?", 1); | ||
let b = "2"; // prompt("Al doilea număr?", 2); | ||
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alert(a + b); // 12 | ||
``` | ||
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What we should do is to convert strings to numbers before `+`. For example, using `Number()` or prepending them with `+`. | ||
Ce ar trebui noi să facem este să convertim șirurile în numere înainte de `+`. De exemplu, folosind `Number()` sau să le adăugam `+` în față. | ||
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For example, right before `prompt`: | ||
De exemplu, chiar înainte de `prompt`: | ||
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```js run | ||
let a = +prompt("First number?", 1); | ||
let b = +prompt("Second number?", 2); | ||
let a = +prompt("Primul număr?", 1); | ||
let b = +prompt("Al doilea număr?", 2); | ||
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alert(a + b); // 3 | ||
``` | ||
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Or in the `alert`: | ||
Sau în `alert`: | ||
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```js run | ||
let a = prompt("First number?", 1); | ||
let b = prompt("Second number?", 2); | ||
let a = prompt("Primul număr?", 1); | ||
let b = prompt("Al doilea număr?", 2); | ||
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alert(+a + +b); // 3 | ||
``` | ||
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Using both unary and binary `+` in the latest code. Looks funny, doesn't it? | ||
Folosind atât `+` unar cât și binar în cel mai recent cod. Arată amuzant, nu-i așa? |
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După instrucțiuni, trebuie să păstrăm liniile "așa cum sunt". Acest lucru reduce conflictele de
merge
.Sugestie: adaugă o linie goală între linia 1 și 2.