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Course Introduction：Get the jQuery code snippet of visible element ID Use jQuery selector: visible to easily get the ID of the visible element. To select an invisible element, you can use the :not(:visible) selector. For example, to get the ID of the currently visible form, you can use the following code: var $visibleForm = $('form:visible'), formId = $visibleForm.attr('id'); console.log(formId); jQuery visible element ID FAQ How to select elements based on ID using jQuery?

2025-02-27 comment 0  573

Course Introduction：The following jQuery code snippet can be used to add scrollbars when the div content exceeds the container element area. (No demonstration, please copy it directly to Firebug) //D = document //W = window //$ = jQuery var contentArea = $(this), wintop = contentArea.scrollTop(), docheight = $(D).height(), winheight = $(W).height(), divheight = $('#c

2025-03-01 comment 0  600

Course Introduction：Quickly use jQuery to clone table rows and clear content code snippets: var clonedRow = $('tbody tr:first').clone(); clonedRow.find('input').val(''); $(this).prev().find('table tbody').append(clonedRow); jQuery cloning form row FAQs How to clone a table row using jQuery? Using jQuery to clone a table row is very simple, you can use the clone() method to copy the rows. Here is a basic example: $(&

2025-02-28 comment 0  1102

Course Introduction：This clean jQuery code snippet is used to detect whether the user scrolls to the bottom of the div element and triggers an event. This is useful in need of knowing whether the user scrolls to the bottom (overflow: scroll), for example, to check if the user has read the terms and conditions in the registration form. $(document).ready(function(){ $('div').bind('scroll', chk_scroll); }); function chk_scroll(e){ var elem = $(e.currentTarget);

2025-03-06 comment 0  374

Course Introduction：SqlParameter Parameters.Add vs. AddWithValue: Choosing the Best MethodWhen working with SQL commands, you may encounter the need to add...

2025-01-10 comment 0  654

Course Elementary  13747

Course Introduction：Scala Tutorial Scala is a multi-paradigm programming language, designed to integrate various features of object-oriented programming and functional programming.

Course Elementary  82260

Course Introduction："CSS Online Manual" is the official CSS online reference manual. This CSS online development manual contains various CSS properties, definitions, usage methods, example operations, etc. It is an indispensable online query manual for WEB programming learners and developers! CSS: Cascading Style Sheets (English full name: Cascading Style Sheets) is an application used to express HTML (Standard Universal Markup Language).

Course Elementary  13131

Course Introduction：SVG is a markup language for vector graphics in HTML5. It maintains powerful drawing capabilities and at the same time has a very high-end interface to operate graphics by directly operating Dom nodes. This "SVG Tutorial" is intended to allow students to master the SVG language and some of its corresponding APIs, combined with the knowledge of 2D drawing, so that students can render and control complex graphics on the page.

Course Elementary  24578

Course Introduction：In the "AngularJS Chinese Reference Manual", AngularJS extends HTML with new attributes and expressions. AngularJS can build a single page application (SPAs: Single Page Applications). AngularJS is very easy to learn.

Course Elementary  27436

Course Introduction：Go is a new language, a concurrent, garbage-collected, fast-compiled language. It can compile a large Go program in a few seconds on a single computer. Go provides a model for software construction that makes dependency analysis easier and avoids most C-style include files and library headers. Go is a statically typed language, and its type system has no hierarchy. Therefore users do not need to spend time defining relationships between types, which feels more lightweight than typical object-oriented languages. Go is a completely garbage-collected language and provides basic support for concurrent execution and communication. By its design, Go is intended to provide a method for constructing system software on multi-core machines.