Found 10877 Articles for Web Development

How to get Natural logarithm of 10 in JavaScript?

V Jyothi
Updated on 30-Jul-2019 22:30:21

151 Views

To get the Natural logarithm of 10, use the Math.LN10 property in JavaScript. It returns the natural logarithm of 10, which is approximately 2.302.You can try to run the following code to get Natural logarithm of 10:Example Live Demo           JavaScript Math LN10 Property                        var property_value = Math.LN10;          document.write("Property Value: " + property_value);          

How to get Natural logarithm of 2 in JavaScript?

Paul Richard
Updated on 18-Jun-2020 08:26:00

177 Views

To get the Natural logarithm of 2, use the Math.LN2 property in JavaScript. It returns the natural logarithm of 2, which is approximately 0.693.ExampleYou can try to run the following code to get Natural logarithm of 2 −Live Demo           JavaScript Math LN2 Property                        var property_value = Math.LN2          document.write("Property Value is : " + property_value);           OutputProperty Value is : 0.6931471805599453

How to get Euler's constant value in JavaScript?

Kumar Varma
Updated on 18-Jun-2020 08:25:25

593 Views

To get Euler’s constant value in JavaScript, use the Math E property. This is a Euler's constant and the base of natural logarithms, approximately 2.718.ExampleYou can try to run the following code to get Euler’s constant value in JavaScript −Live Demo           JavaScript Math E Property                        var property_value = Math.E          document.write("Property Value is :" + property_value);           OutputProperty Value is :2.718281828459045

How to get the difference between two arrays in JavaScript?

Fendadis John
Updated on 18-Jun-2020 08:23:34

195 Views

To get the difference between two arrays in JavaScript, try to run the following code. Here, we’re using some method like split(), indexOf(), sort(), etc to get the elements, which aren’t the same in both the arrays &mnus;ExampleLive Demo           JavaScript Dates                        function arrDifference (arr1, arr2) {             var arr = [];             arr1 = arr1.toString().split(', ').map(Number);             arr2 = arr2.toString().split(', ').map(Number);             // ... Read More

How to convert Multidimensional PHP array to JavaScript array?

Vrundesha Joshi
Updated on 30-Jul-2019 22:30:21

1K+ Views

You can use PHP array in JavaScript. It works for a single as well as the multidimensional array. Use the json_encode() method to achieve this.The following is the Multi-dimensional PHP array.$myArr= array( array('Amit', 'amit@example.com'), array('Rahul, 'rahul@example.com'), );Converting PHP multidimensional array into JavaScript. var arr = ; Now, let’s finally learn how to access it to output the email.document.write(arr[1][1]);

How to convert JavaScript seconds to minutes and seconds?

Shubham Vora
Updated on 17-Aug-2022 12:35:26

11K+ Views

In this tutorial, we will learn to convert JavaScript seconds to minutes and seconds. The problem is that we have given the total number of seconds, and we need to represent it in the minutes and second format. We can perform some basic Mathematics operations and solve our problems. Here, we have two different ways to convert the seconds to minutes and seconds. Using the Math.floor() Method In this approach, we will use the Math.floor() method. We will divide the total number of seconds by 60 to convert it into the minutes and apply the Math.floor() method to round down ... Read More

How to convert PHP array to JavaScript array?

Jennifer Nicholas
Updated on 18-Jun-2020 12:30:17

3K+ Views

You can use PHP array in JavaScript. It works for the single as well as the multidimensional array. Use the json_encode() method to achieve this.Let’s say Our PHP array is −$myArr = array('Amit', 'amit@example.com');Converting PHP array into JavaScript. var arr = ; Now, let’s finally learn how to access it to output the email −document.write(arr[1]);

How to get first and last date of the current month with JavaScript?

Shubham Vora
Updated on 13-Sep-2023 14:30:48

28K+ Views

In this tutorial, we will look at how to get the first and last date of the current month using JavaScript. In our daily lives, we frequently deal with dates, and we typically are aware of the day—or, at the very least, the month—we are in. To assist users in determining when something has occurred or will occur concerning their current situation, we display the name of a day or a month. This serves as a wonderful chronology. Following are the approaches to get the first and last date of the month using JavaScript − Using a Date Object ... Read More

How to get the number of days between two Dates in JavaScript?

Nikitasha Shrivastava
Updated on 18-May-2023 14:13:23

716 Views

In the given problem statement we will write a function to calculate the days between the given dates with the help of Javascript functionalities. For solving this problem we will use some built in method of Javascript and mathematical operations. Understanding the problem statement In the given problem we have to create a function to compute the number of days as outcome after calling the function by passing two dates. And this task can be done using Date object and basic math. For example if we have two dates like 2023-02-15 and 2023-02-25, so between these dates there are 10 ... Read More

How to convert a MySQL date to JavaScript date?

Shubham Vora
Updated on 17-Aug-2022 13:17:48

6K+ Views

In this tutorial, we will learn to convert the MySQL date to JavaScript date. The MySQL date is not different from the regular date, but its format or syntax is different, which we need to convert into the format of a normal date. The general syntax of the MySQL date is YYYY - MM - DD HH: mm: ss. So, we need to convert the given MySQL date string syntax to normal date syntax. We will have two approaches to converting the MySQL date to the JavaScript date. Using the replace() Method Using the split() Method Using the ... Read More

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