Remove empty strings from array while keeping record Without Loop?

Question

This question was asked here: Remove empty strings from array while keeping record of indexes with non empty strings

If you\'d notice the given as @Baz layed it out;

Answer 1

var arr = ["I", "am", "", "still", "here", "", "man"]
// arr = ["I", "am", "", "still", "here", "", "man"]
arr = arr.filter(Boolean)
// arr = ["I", "am", "still", "here", "man"]

filter documentation

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// arr = ["I", "am", "", "still", "here", "", "man"]
arr = arr.filter(v=>v!='');
// arr = ["I", "am", "still", "here", "man"]

Arrow functions documentation