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function validateString(str) {
  return str && str.trim().length > 5 ? str : null;
}

#ternary #nested #function

nested ternary with function

 function direction(item) {
    const increment =
      item.classList[1] === "decrease"
        ? counter--
        : item.classList[1] === "increase"
        ? counter++
        : item.classList[1] === "reset"
        ? (counter = 0)
        : counter; 

    return increment;
  }

#condtional #ternary

Ternary with 2 conditions

const calcTip = (bill) => {
  return bill >= 50 && bill <= 300 ? bill * 0.15 : bill * 0.20;
}

#javascript #ternary

simple ternary

// if something is true then execute the code on the left, otherwise return null
e.propertyName === 'transform' ? key.classList.remove('playing') : null;

returning ternary operator

nested ternary with function

Ternary with 2 conditions

simple ternary

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