Merge pull request #8 from jonathanv3232/master

adds solution to 1.3

Author: fvntr

JavaScript/chapter01/1.3 - URLify/solution.js

@@ -0,0 +1,30 @@
+//my code was not originally this clean, but same concept as solution
+function URLify(arr, len) {
+	let spaces = 0;
+	for(let i = 0; i < len; i++) {
+		if(arr[i] === ' ') spaces++;  	
+	}	
+	//last index
+	let index = len + spaces * 2 - 1;
+
+	for(let i = len - 1; i >= 0; i--) {
+		if(arr[i] === ' ') {
+			arr[index] = '0'; 
+			arr[index - 1] = '2';
+			arr[index - 2] = '%';
+			index -= 3
+		} else {
+			arr[index] = arr[i];
+			index--;
+		}	
+	}
+	return arr;
+}
+
+//testing
+let arr = ['M', 'r', ' ', 'J', 'o', 'h', 'n', ' ', 'S', 'm', 'i', 't', 'h', ' ', ' ', ' ', ' '];
+//before
+console.log(arr);
+let ans = URLify(arr, 13);
+//after
+console.log(ans);