text: function clcBmi() {
      let name = document.getElementById('name').value;
      let surname = document.getElementById('surname').value;
      let h_t = document.getElementById("height").value;
      let w_t = document.getElementById("weight").value;
      let htsqr = h_t ** 2;
      let bmiValue = (w_t / htsqr);
      let result = `hey ${name} ${surname} your bmi is ${bmiValue} , have a nice day bruh 🙂`
  
      //alert(result) ;
      document.getElementById('content').textContent = result
          //document.getElementsByClassName('content').textContent = result
  }