Explain promise in javascript?

912

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What is the use of let & const in javascript?

992

---

What is use of settimeout function in javascript?

1186

---

What are the different types of errors available in javascript?

1038

---

How to calculate fibonacci numbers in javascript?

1076

---

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

1017

---

List the comparison operators supported by javascript?

1006

---

What is javascript bom?

1143

---

Explain “use strict” ?

984

---

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

1030

---

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

927

---

Write a program to reverse a string in pure javascript?

1023

---

How to get inner html of an element in javascript?

1021

---

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

978

---

What close() does in javascript?

994

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