Explain promise in javascript?

858

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What is the use of let & const in javascript?

947

---

What is use of settimeout function in javascript?

1093

---

What are the different types of errors available in javascript?

991

---

How to calculate fibonacci numbers in javascript?

1016

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How to import all exports of a file as an object.

963

---

List the comparison operators supported by javascript?

960

---

What is javascript bom?

1062

---

Explain “use strict” ?

924

---

What is the difference between the substr() and substring() functions in javascript?

976

---

Explain what is javascript? List some data types supported by javascript?

887

---

Write a program to reverse a string in pure javascript?

971

---

How to get inner html of an element in javascript?

968

---

How to you change the title of the page by javascript?

914

---

What close() does in javascript?

947

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