How to use for to replace certain symbols

JavaScript
1

We have one string, called “javascript is awesome”. We need to replace certain symbols in this string, then we could have refult like: “j4v4scr1pt 1s 4w3s0m3”. a = 4, i = 1, e = 3, o = 0. We need to do this by FOR method. Please help me, I have no idia how to do this with for. Thats all I wrote:

var input = "javascript is awesome";
var output = "";
for(i = 0; i < input.length; i++){
        output += input[i]
}
console.log(output)
2

I think replace() is ideal to use but you can also check this

3

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