Question

How to set specific bits in a char with JavaScript

Answer 1

function printBinary(ch) {
    console.log(ch.toString(2).padStart(8, '0'));
}

let ch = 0;
ch |= (1 << 7); // Set the 7th bit
ch |= (1 << 3); // Set the 3rd bit

printBinary(ch);              // Binary representation
console.log("Value:", ch);    // Decimal value


/*
run:

10001000
Value: 136

*/

 

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