Explain promise in javascript?

865

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What is the use of let & const in javascript?

955

---

What is use of settimeout function in javascript?

1111

---

What are the different types of errors available in javascript?

997

---

How to calculate fibonacci numbers in javascript?

1032

---

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

970

---

List the comparison operators supported by javascript?

968

---

What is javascript bom?

1074

---

Explain “use strict” ?

939

---

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

984

---

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

892

---

Write a program to reverse a string in pure javascript?

979

---

How to get inner html of an element in javascript?

976

---

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

931

---

What close() does in javascript?

950

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