Operator Precedence in javascript

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<h4> Operator Precedence In Javascript.</h4>

<script>
let x = 10;
let y = 5;
let z = 3;

document.write( z + y / x );
/*Result is  3.5 [ 5 / 10 = 0.50 + 3 ]   */ 
document.write("<br>");
document.write( (x - y) / z );
/*Result is 1.67 [ 10 - 5 = 5 / 3 ]  */ 
</script>

</body>
</html>