use .map to count length of each element in an array
var lengths = chars.map(function(word){
return word.length
})
use .map to count length of each element in an array
var lengths = chars.map(function(word){
return word.length
})
use .map to count length of each element in an array
var words = ['Hello', 'world'];
var lengths = words.map(function(word) {
return word + ' = ' + word.length;
});
console.log(lengths);
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