What will be the output of the following JavaScript code?
const pi=3.14;
var pi=4;
console.log(pi);
a) This will flash an error
b) Prints 4
c) Prints 3.14
d) Ambiguity
Answer: a
Explanation: Const keyword fixes the value of the variable. Const keyword can not be redefined. Therefore attempts to alter the value or re-declaration causes errors.
Related Posts
What will be the output of the following JavaScript code?
<p id=”demo”></p>
<script>
document.getElementById(“demo”).innerHTML = Math.sqrt(49);
</script>What will be the output of the following JavaScript code?
<p id=”demo”></p>
<script>
document.getElementById(“demo”).innerHTML = Math.floor(4.7);
</script>What will be the output of the following JavaScript code?
<p id=”demo”></p>
<script>
document.getElementById(“demo”).innerHTML = Math.min(0, 150, 30, 20, -8, -200);
</script>What will be the output of the following JavaScript code?
<p id=”demo”></p>
<script>
document.getElementById(“demo”).innerHTML = Math.abs(-4.5);
</script>What will be the output of the following JavaScript code?
<p id=”demo”></p>
<script>
document.getElementById(“demo”).innerHTML = Math.sin(90 * Math.PI / 180);
</script>The new Java arrays can be created into JavaScript programs using which of the following classes?
The JavaScript classes can be instantiated using _____ operator.
Join The Discussion