StepstoZero1342.js

/**
 * @param {number} num
 * @return {number}
 */
var numberOfSteps = function(num) {
    let steps = 0
    while(num > 0){
        if(num%2==0){
            num /= 2
        }
        else{
            num = num-1
        }
        steps++
    }
    return steps
};