JavaScript-Developer-I Exam Question 51
Given the following code:
Let x =null;
console.log(typeof x);
What is the output of the line 02?
Let x =null;
console.log(typeof x);
What is the output of the line 02?
JavaScript-Developer-I Exam Question 52
The developer has a function that prints "Hello" to an input name. To test this, thedeveloper created a function that returns "World". However the following snippet does not print " Hello World".
What can the developer do to change the code to print "Hello World" ?
What can the developer do to change the code to print "Hello World" ?
JavaScript-Developer-I Exam Question 53
A developer implements and calls the following code when an application state change occurs:
Const onStateChange =innerPageState) => {
window.history.pushState(newPageState, ' ', null);
}
If the back button is clicked after this method is executed, what can a developer expect?
Const onStateChange =innerPageState) => {
window.history.pushState(newPageState, ' ', null);
}
If the back button is clicked after this method is executed, what can a developer expect?
JavaScript-Developer-I Exam Question 54
Refer to the code below:
What is the value of result when the code executes?
What is the value of result when the code executes?
JavaScript-Developer-I Exam Question 55
Refer to code below:
console.log(0);
setTimeout(() => (
console.log(1);
});
console.log(2);
setTimeout(() => {
console.log(3);
), 0);
console.log(4);
In which sequence will the numbers be logged?
console.log(0);
setTimeout(() => (
console.log(1);
});
console.log(2);
setTimeout(() => {
console.log(3);
), 0);
console.log(4);
In which sequence will the numbers be logged?
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