Convert prompt inputs to numbers with unary plus

Lk-ux · web-flow · commit a1973755263c · 2026-07-04T15:36:41.000+05:30
Added unary plus to prompt inputs for type conversion.
diff --git a/1-js/02-first-steps/15-function-basics/4-pow/solution.md b/1-js/02-first-steps/15-function-basics/4-pow/solution.md
@@ -10,8 +10,8 @@ function pow(x, n) {
   return result;
 }
 
-let x = prompt("x?", '');
-let n = prompt("n?", '');
+let x = +prompt("x?", '');
+let n = +prompt("n?", '');
 
 if (n < 1) {
   alert(`Power ${n} is not supported, use a positive integer`);

Original file line number	Diff line number	Diff line change
`@@ -10,8 +10,8 @@ function pow(x, n) {`
`10`	`10`	`return result;`
`11`	`11`	`}`
`12`	`12`
`13`		`-let x = prompt("x?", '');`
`14`		`-let n = prompt("n?", '');`
	`13`	`+let x = +prompt("x?", '');`
	`14`	`+let n = +prompt("n?", '');`
`15`	`15`
`16`	`16`	`if (n < 1) {`
`17`	`17`	alert(`Power ${n} is not supported, use a positive integer`);