Basic Algorithm Scripting: Title Case a Sentence(One letter gets replaced)

Tell us what’s happening:

I am trying to solve the challenge: Basic Algorithm Scripting: Title Case a Sentence. I am not using the function syntax for now, i am trying to solve the Problem without the function call but by simple String replace. But what I am getting is the ’ Final String: I’m a little tea Pot ’ i.e. only the first character of last string gets replaced.

Can anybody suggest anything?

Your code so far


var str="I'm a little tea pot";
var newStr="";

// read each character in a string
for (var i = 0; i< str.length; i++) {
	// console.log(str[i]);
	if(str[i] === " ") {
		// read the first character after space
		// console.log("first character after space:" + str[i+1])

		// make the first character after space capital
		// console.log("Capital the first character after space: " + str[i+1].toUpperCase())

		// replace the first character after space with the Capital of the same.
		// console.log("Replace character: " + str.replace(str[i+1], str[i+1].toUpperCase()))
		// console.log((str[i]=str[i+1]).toUpperCase())

		// store the new string in another variable.

		// str += str.replace(str[i+1], str[i+1].toUpperCase());
		// replace each character after space with Captial letter(manually)

		var newStr = str.replace(str[i+1], str[i+1].toUpperCase())
		
	}
}
// print the String
console.log("Final String: " + newStr);

EXPECTED OUTPUT: Final String: I’m A Little Tea Pot
ACTUAL OUTPUT: Final String: I’m a little tea Pot(pot becomes Pot)

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Challenge: Title Case a Sentence

Link to the challenge:
https://www.freecodecamp.org/learn/javascript-algorithms-and-data-structures/basic-algorithm-scripting/title-case-a-sentence