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prop vs attr in JavaScript
.prop():Primarily used for properties that are directly part of the DOM element's internal structure.Typically used to get or set properties that affect the element's behavior or state
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Detect Internet Explorer in JavaScript
JavaScript:In this approach, we check for the presence of the MSInputMethodContext object and its createContext method, which are specific to IE
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CreateElement with id in JavaScript & jQuery
JavaScript:createElement: This method creates a new HTML element with the specified tag name.id attribute: This attribute assigns a unique identifier to the created element
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Replace Multiple Spaces with Single Space in JavaScript
Regular Expression:Breakdown:\s: Matches any whitespace character (space, tab, newline, etc. ).{2,}: Quantifier that matches the preceding element (in this case
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DOM Selection Methods
document. getElementByIdDirect DOM access: This method directly interacts with the Document Object Model (DOM), the tree-like structure representing an HTML document
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Escape Key Detection in JavaScript and jQuery
JavaScript:Event Listener: Attach an event listener to the document or a specific element using addEventListener.Event Object: Inside the event handler
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Exit jQuery each() Loop
Understanding the each() Function:The each() function in jQuery iterates over a collection of elements.It provides a callback function that is executed for each element in the collection
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!important in JavaScript, jQuery, HTML
Understanding !important!important is a CSS declaration that overrides any other style rules, even those with higher specificity
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Call Function Every 5 Seconds in jQuery
Using the setInterval() function:Create a function: Define the function you want to execute repeatedly. This function will contain the code you want to run every 5 seconds
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Obtain Form Input Fields with jQuery
Understanding the Concept:Form Input Fields: These are elements within a form that allow users to enter data, such as text boxes
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Set Span Value with jQuery
Select the Span Element:Use jQuery's $(selector) method to target the span element you want to modify.Replace #mySpan with the actual ID of your span if it has one
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Checkbox State Check (jQuery)
Understanding the Concept:In web development, a checkbox is an interactive element that allows users to select or deselect an option
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Break jQuery Each Loop
Understanding the each Loop:The each loop in jQuery is a versatile method used to iterate over elements in a collection
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Accessing Iframe Contents with JavaScript/jQuery
Understanding iframes:An iframe is a self-contained HTML document embedded within another HTML document.It creates a separate browsing context
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CSS Fluid Layout with Dynamic Height and Width
Understanding CSS Fluid LayoutIn CSS fluid layout, elements are designed to dynamically adjust their dimensions based on the available space within their container
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Escaping HTML Strings with jQuery
Understanding the Problem:HTML strings can contain special characters like <, >, &, and ', which can interfere with HTML parsing and potentially lead to security vulnerabilities (e.g., cross-site scripting or XSS attacks)
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Query Strings with Fetch & jQuery
Understanding Query StringsA query string is a part of a URL that follows a question mark (?). It consists of key-value pairs
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Check Scroll Position to Bottom
JavaScript:Get the element's height:Get the element's height:Get the element's scroll position:Get the element's scroll position:
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Triggering Shared Functions from Multiple Events in jQuery
Understanding the Concept:Event Handlers: In jQuery, event handlers are functions that are executed when a specific event occurs
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Check for Hashtag in URL
JavaScript:Obtain the URL:Obtain the URL:Check for the hashtag:Use the indexOf() method to find the position of the "#" character in the URL
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jQuery Selectors on Custom Data Attributes
HTML5 Custom Data Attributes:HTML5 introduced the ability to add custom data attributes to elements, providing a way to store additional information that isn't directly part of the HTML structure
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Microsoft JSON Date Formatting (jQuery, ASP.NET, AJAX)
Understanding Microsoft JSON Dates:When ASP. NET serializes dates to JSON, it uses a specific format:/Date(milliseconds since Unix epoch)/Example: /Date(1662172860000)/ represents August 30
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Delete localStorage Item on Window Close
Understanding localStorage:localStorage is a web API that provides persistent data storage within a user's browser.It stores data in key-value pairs
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jQuery Get Text from Textarea
Understanding the Concept:jQuery: A JavaScript library that simplifies DOM manipulation, event handling, and AJAX requests
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jQuery AJAX Cross-Domain Explained
Understanding Cross-Domain RequestsIn the world of web development, a cross-domain request occurs when a web page attempts to access resources from a different domain than its own
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Synchronous vs Asynchronous Ajax Requests in jQuery
Synchronous vs. Asynchronous Requests:Asynchronous: This is the default behavior in jQuery. The request is sent to the server
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Cross-Origin Requests from File:// URLs
Understanding the Error:This error occurs when a web application running from a file:// URL (e.g., file:///path/to/your/file
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Remove Value from Array with jQuery
Understanding the Task:You have an array of elements.You want to identify and remove a specific value from that array.You'll use jQuery's .filter() method to achieve this
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Dynamically Load JS in JavaScript
Dynamically loading JS inside JS refers to the technique of loading external JavaScript files or code snippets into a web page programmatically
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Switching DIV Background Image with jQuery
Select the DIV element:$('#myDiv');Get the current background image URL:Use the css() method to retrieve the current background image URL of the selected DIV:var currentImage = $('#myDiv').css('background-image');
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Find Object Index in Array (JS)
JavaScript:Iterate over the array: Use a loop (e.g., for, forEach) to examine each element in the array.Check the condition: Inside the loop
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Add List Item jQuery
Select the Unordered List:Use the jQuery selector to target the unordered list you want to modify. For example, if the list has an ID of "myList", you would use:
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Count Table Rows with jQuery
jQuery Syntax:Breakdown:$("table tr"): This part selects all the <tr> elements (rows) within the <table> element..length: This property returns the number of elements in the selected set
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Thinking in AngularJS: A Comparison to jQuery
If you're coming from a jQuery background, shifting your mindset to AngularJS might feel like learning a new language. While both frameworks are used to manipulate the DOM (Document Object Model), their approaches and philosophies are quite different
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Getting Textbox Value with jQuery
Select the Textbox:Use jQuery's selector methods to identify the textbox you want to target. Common methods include:ID selector: $("#textboxId") (where "textboxId" is the unique ID of the textbox)Name selector: $("input[name='textboxName']") (where "textboxName" is the name attribute of the textbox)
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Detect Window or Tab Closing in JavaScript and jQuery
Understanding the Concept:When a user closes a browser window or tab, the JavaScript code within that window or tab is terminated
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jQuery Element Existence Check
Understanding the "exists" Function in jQueryWhile jQuery doesn't have a built-in function named "exists, " it provides a straightforward way to check if an element exists in the DOM (Document Object Model) using its selector methods
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Remove Disabled Attribute Using jQuery
Understanding the "disabled" Attribute:The "disabled" attribute is a boolean attribute that, when present on an HTML element
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jQuery Keypress Event Explained
Understanding the jQuery Event Keypress:The jQuery Event Keypress is a mechanism used to detect and respond to specific keystrokes pressed by a user on a web page
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Set DropDownList Value with jQuery
Understanding the DropDownList:A DropDownList is a user interface element that presents a list of options from which the user can select one
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Removing Event Handlers in jQuery
Understanding Event Handlers:Event handlers are functions that are executed when a specific event occurs on an HTML element
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Get Select Options Using jQuery
Select the Select Element:Use the $(selector) function to target the select element you want to work with. Replace #mySelect with the actual ID or class of your select element:
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Disable Button in jQuery
Understanding the Concept:Disabling a button in jQuery means preventing the user from clicking or interacting with it.This is often done to prevent unwanted actions or to indicate that the button is currently unavailable or processing a task
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CSS Pseudo-Elements with JavaScript and jQuery
Understanding Pseudo-ElementsWhat are they? Pseudo-elements are not actual HTML elements but are used to style specific parts of existing elements
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Prevent Form Submission on Enter Key in jQuery
Understanding the Issue:When users fill out a form and press the Enter key, the form is automatically submitted.This can be inconvenient or undesirable
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Select First Option with jQuery
Access the <select> element:Use jQuery's selector to find the <select> element you want to work with. For example:Replace #mySelect with the actual ID of your <select> element
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Click Hide DIV (jQuery)
HTML Structure:jQuery Code:Explanation:Event Listener:Event Listener:Check for Click Location:Check for Click Location:Hide the DIV:
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Uncheck Radio Button in JavaScript and jQuery
JavaScript:Get the radio button element:Get the radio button element:Set the checked property to false:Set the checked property to false:
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Serializing to JSON in jQuery: A Breakdown
What is Serializing? In programming, serialization is the process of converting an object into a format that can be stored or transmitted
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Check Element Visibility (Scroll)
JavaScript:Get the element's bounding rectangle:Get the element's bounding rectangle:Check the element's visibility:Check the element's visibility: