blub

text = "Florian haljlabjalk Florian dsl FOGEL kfjsakfj skajfl as Florian djlfaj";

var myName = "Florian";
var hits = [];

// Look for "E" in the text
for(var i = 0; i < text.length; i++) {
    if (text[i] === myName[0]) {
        // If we find it, add characters up to
        // the length of my name to the array
        for(var j = i; j < (myName.length + i); j++) {
    hits.push(text[j]);
            }

    }
}

if(hits.length===0){
 console.log("Your name wasn't found!");
} else console.log(hits);