sizeof
cout << "char: " << sizeof(char) << endl;
cout << "int: " << sizeof(int) << endl;
cout << "float: " << sizeof(float) << endl;
cout << "double: " << sizeof(double) << endl;
sizeof
cout << "char: " << sizeof(char) << endl;
cout << "int: " << sizeof(int) << endl;
cout << "float: " << sizeof(float) << endl;
cout << "double: " << sizeof(double) << endl;
js .length
var x = 'Mozilla';
var empty = '';
console.log('Mozilla is ' + x.length + ' code units long');
/* "Mozilla è lungo 7 unità di codice" */
console.log('La stringa vuota ha una lunghezza di
' + empty.length);
/* "La stringa vuota ha una lunghezza di 0" */
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