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How-to articles, tricks, and solutions about VARIABLE

How to Convert a Unix Timestamp to Time in JavaScript

Read the tutorial and find how you can convert the UNIX timestamp to time in JavaScript to make the Unix format date-time value in a user-readable format.

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How to Convert Object to String

Read this JavaScript tutorial and learn about the fastest methods of converting object into string. Read about JSON.stringify() and toString() methods.

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How to Copy Array Items into Another Array

Read this JavaScript tutorial and learn several useful methods of copying array items into another array. Get to know which method to choose for your case.

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How to Create an Array Containing 1…N

Read this JavaScript tutorial and get information concerning the problem of creating an Array that contains 1 through to N. Find two methods for solving it.

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How to Declare Constants in JavaScript?

Read this tutorial and learn useful information about declaring a constant by using the const keyword which creates a read-only reference to the value.

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How to Define Global Variable in a JavaScript Function

Read the tutorial and learn how to define a global variable in a JavaScript function. Also, read about the differences about the global and local variables.

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How to Empty an Array in JavaScript

This tutorial provides useful information about clearing an existing array in JavaScript. Get familiar to multiple methods and find the best one for you.

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How to Execute a JavaScript Function when You have Its Name as a String

Read this tutorial and learn about the safe method of calling a function when you have its name as a string. Also, read about why you should not use eval().

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How to Get the Current Date and Time in JavaScript

The tutorial provides information of getting the current date, time and both by running a simple piece of code. Also, get the full explanation of the code.

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How to Get the Value of Selected Option in a Select Box

Read the tutorial and learn the methods of getting the value of the selected option in a select box using jQuery. Read about the text() and val() methods.

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