Summary of instance usage of jQuery objects

The accompanying picture has nothing to do with this article. I learned the front-end a few years ago, and everyone was very keen on studying the jQuery source code. I still remember that when I learned some application skills from the jQuery source code, I would often be amazed from the bottom of my heart, "It turns out that JavaScript can be used like this!" Although with the development of the front-end and the rise of several other front-end frameworks, jQuery has slowly becomes no longer necessary. Therefore, everyone's enthusiasm for jQuery has dropped a lot. But many of the techniques learned from jQuery are still very useful in actual development. A simple understanding of it will also help us understand JavaScript more deeply. The main purpose of this article is to share with you how jquery objects are encapsulated. It can be regarded as an introduction for everyone to further learn the jQuery source code. When using jQuery objects, we write like this: // Declare a jQuery object $('.target') // Get the css attribute of the element $('.target').css('width

1. Advanced front-end (11): Detailed illustration of jQuery objects

Introduction: In the early years of learning front-end, everyone was very keen on studying the jQuery source code. I still remember that I learned a little bit of application skills from the jQuery source code. Sometimes there is a kind of heartfelt amazement, "It turns out that JavaScript can be used like this!" Although with the development of the front-end and the rise of several other front-end frameworks, jQuery has gradually become no longer necessary, so everyone's enthusiasm for jQuery is no longer necessary. Much lower. But many of the techniques learned from jQuery are still very useful in actual development. A simple understanding of it will also help us go deeper...

##2. Extension of jQuery object--extend

jQuery.grep() function detailed explanation

# #Introduction: The jQuery.grep() function is used to filter the elements in the array using the specified function and return the filtered array. The source array will not be affected, and the filtering results are only reflected in the returned result array. This function is global. jQuery object.

4.

##Introduction: Differences between JavaScript objects, DOM objects and jquery objects, detailed conversion explanation

5. Using jQuery PikcList in php Encountered a little doubt

Introduction: I have encountered a small problem using jQuery PikcList in php. The jQuery PikcList plug-in is very powerful. I saw the usage introduction from the forum blog today, and I also I have a problem that I can't solve, so I'm here to help! I use the jQuery PikcList plug-in in the form. I know that using the getPickedItems() function can get all the items in the pickedList, and the return value is an array of jQuery objects. Question 1

6. js(Dom) object and jquery object are transformed into each other

Introduction: js object refers to the node obtained by js method. The jquery object refers to the node obtained with the jquery method. In the JS object, we cannot use the jquery method. Similarly, in the jquery object, we cannot use the js method. If we need to use the object method

7. jQuery objects and DOM objects are converted into each other_jquery

Introduction: jQuery objects are generated by wrapping DOM objects through jQuery object. The jQuery object is unique to jQuery. It can use methods in jQuery, but cannot use DOM methods; for example, $("#img").attr("src","test.jpg"); here $(" #img") is the jQuery object;

8. JQUERY Conversion between objects and DOM objects_jquery

Introduction: The corresponding method of jquery object DOM object cannot Use, and the corresponding method jquery of the DOM object cannot be used. Therefore, in specific projects, we should pay attention to the conversion problem between Jquery objects and DOM objects

9. Array-like operations in jQuery objects_jquery

Introduction: We all know that there is an array-like element packaging set in the jQUery object. This set has the length attribute like an array in js, so we call this an array-like. Let’s summarize this How to operate the class array in jQuery object

10. Three kinds of jQuery$()_jquery

Introduction: The $ sign is an alias for jQuery "class", and $() constructs a jQuery object. Therefore, "$()" can be called jQuery's constructor (personal opinion, haha!).

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