Manually searching for texts in JS

search_text_manually.js

var text = "thisis is sisi sis iskallakksdj  lakdjf asdf hark \
the cannons hear them Elias alksdfjalksdjkjaskdjflk kajsdfkj \
Erwin  kajsdklfjasdfjlkj asdf Erwin sakaksl askdfjaskdfj Erwin",
    myName = "Erwin",
    hits = [];
    
for ( var i = 0; i < text.length; i++ ) {
    if ( text[i] === myName[0] ) {
        var count = 0;
        var index = hits.length - 1;
        for ( var j = i, k = 0; j < myName.length + i; j++, k++ ) {
            if ( text[j] === myName[k]) {
                hits.push(text[j]);
                count++;
            } else {
                hits.splice(index,count);
            }
        }
    }
}    

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