Find Height of Text in HTML Canvas Using JavaScript

Aman Gupta
Updated on 13-Oct-2023 15:42:53

3K+ Views

Overview A canvas is a HTML element that provides us to display any type of custom text or graphics on the web page. A canvas makes a graphics editable through which we can make our own custom text or design. A canvas element can be added to the HTML using tag or using JavaScript we can add it through the 'document' object 'createElement' method. As we have to find the height of the text that is written in the HTML canvas, we can use the ''textMetrics" objects measureText() property to calculate height of the text. Syntax The Syntax used ... Read More

Find Class of Clicked Element Using jQuery

Aman Gupta
Updated on 13-Oct-2023 15:40:44

3K+ Views

Overview We can easily find the class of the clicked element, the Jquery provides various methods which return the class name of the element when the element is clicked. The Jquery methods "attr()" and using "this.className" properties helps to find the class of an element. So to learn more about these methods we will be seeing the Examples which will cover both the methods. A class name is an attribute which defines the group or type of the data inside the tag. There can be different tags or elements which can contain the same class names but there in case ... Read More

Find Text on Page in ElectronJS

Aman Gupta
Updated on 13-Oct-2023 15:38:34

846 Views

Overview A find text on a page is a feature which helps a user to find a word on the page. An electronJs is an open source framework which creates a desktop application which can run on every operating system with its cross platform compatibility. The electronJs has many predefined instance methods with their respective functionality. So to build this feature of find text on page the electronJs provides a "findInPage" method which takes the current focused window and scans all the text on the page. Syntax For finding the text on page, the electronJs provides the below Syntax for ... Read More

Use Pickle to Save and Load Variables in Python

Rohan Singh
Updated on 13-Oct-2023 15:33:22

13K+ Views

Pickle is a Python module that is used for data serialization ie. converting data into a byte stream. Pickle allows developers to save and load variables from memory to disk, ensuring data integrity and easy retrieval. In this article, we will explore how to utilize Pickle effectively to save and load variables in Python. Understanding Pickle Pickle is a built-in module in Python that enables object serialization, which refers to the process of converting objects into a byte stream. The byte stream can be stored as a file, transferred over the network, or even persisted in a database. Pickle allows ... Read More

Find Element by Text Using jQuery

Aman Gupta
Updated on 13-Oct-2023 15:32:02

2K+ Views

Overview The Jquery consists of a predefined method which makes it easy for the developer to build this feature. The Jquery provides a selector Syntax by which we can find any text element. So the ":contains" selector is used for finding the text in any element. To learn fully about this ":contains" selector we will be developing this feature through an Example. Syntax The Syntax for finding the text in an element is given below − $(selector:contains()); selector − The selector in the above Syntax is termed as any element or class or id name which is ... Read More

Find Average Color of an Image Using JavaScript

Aman Gupta
Updated on 13-Oct-2023 15:30:31

828 Views

Overview The extraction of colors from an image means that the colors which are present in an image in the form of pixels will be extracted, and an average of the pixels of the distinct is calculated in the form of RGB (Red Green Blue) and a new average color will be formed on the basis of the average of the color pixels. So we can achieve this with the help of JavaScript, in the JavaScript there is a property "canvas" which is used to draw an image or any content in the form of pixels. Approach To build this ... Read More

Use Pandas Filter with IQR

Rohan Singh
Updated on 13-Oct-2023 15:30:10

3K+ Views

Pandas is an open-source Python library used for data analysis and manipulation. Pandas provides functionality for data cleaning, transformation, and filtering. In large datasets, some extreme values called outliers can modify the data analysis result. In order to identify those outliers, a robust statistical measure called the Interquartile range (IQR) is used. In this article, we will understand how pandas filter with the IQR to identify and handle outliers in the dataset. Understanding the Interquartile Range (IQR) Before understanding how to use the Pandas filter with IQR, let’s briefly understand what is Interquartile range(IQR). Quartile divides a dataset into four ... Read More

Find All Selected Options of HTML Select Tag

Aman Gupta
Updated on 13-Oct-2023 15:27:48

424 Views

Overview To get the selected options from a dropbox we will be using the JavaScript library that is Jquery. The Jquery provides the feature to select and find the options in the optimum lines of code. For this we will be using pseudo selector class ":selected" for the single selection and multiple selection. So for this in the single selection we will directly alert the user and in multiple we will be storing the Output in the array then displaying it on the screen. Syntax The Syntax used in this feature is − $("option:selected").text(); option:selected − The ... Read More

Find All Inputs with Value Green and Change Sibling Span Text using jQuery

Aman Gupta
Updated on 13-Oct-2023 15:25:45

168 Views

Overview Using Jquery we can create this feature, as Jquery library provides the methods for changing the span text to the value of the input value. In this feature we should have a prior knowledge of the basic HTML and the Jquery. So the Jquery provides the methods as next() and text(), these two methods play a vital role in building this feature. We will also use a few styling methods to make the change visible from other normal text. Syntax The Syntax used in this feature is − $(selector).next().text("text"); selector − The selector in the above ... Read More

Find All Disabled Elements in jQuery

Aman Gupta
Updated on 13-Oct-2023 15:24:24

1K+ Views

Overview The disabled elements are the elements which are not usable for the end user. These elements are disabled using the "disable" attribute. So using the JQuery library we can find all the total number of disabled elements in a HTML page. Using the Jquery selector we can find all the disabled elements by passing the ":disabled" pseudo selector. The ":disabled" selector will select all the elements in the top−down approach. This approach will scan all the disabled attributes and will list it out in a variable. Syntax The Syntax used in this approach is − $(":disabled").each(function () { ... Read More

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