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When making forms, we often encounter situations where the upper and lower fields are aligned, such as name, mobile number, and birthplace. So we're going to use the text align, text justify style. Just set text align to justify directly. The situation of text justify is complicated. Some people may not be familiar with it. IE values are as fo ...

Basic knowledge review of multithreading 1) difference between process and thread Process: After the program runs, a QQ, wechat, etc. is a process. Threading: A thread is the smallest unit in a process. To put it simply, a thread is a different execution path in a program. Procedure: QQ is a program, a program on hard disk. 2) dif ...

Event | window.event (for IE) div.onclick = function(event ){ var event = event || window.event; } Event source object the object that triggered the event event.target Firefox only has this Event.srcelement ie only this Both of them have Can be used for event delegation Event delegation Manage e ...

The first situation: It is known that two div s with width and height of 100px and margin of 20px are arranged vertically, as shown in the following figure:   When setting the margin bottom: 40px of css1 or the margin top: 40px of css2, the phenomenon is as follows:   Conclusion: Only when the vertica ...

Introduction to Javascript Basics First of all, we need to know the standards of web pages: HTML is the structure of a web page Css is the expression and beautification of web pages Javascript is the dynamic structure of web page, that is, behavior. This article briefly introduces1. Basic syntax of JS ...

Update the second encapsulation of axios according to the common business scenarios under vue project after one year Function realization:1. Compatible with ie browser to avoid caching2. Reduce or update duplicate requests3. Interface domain name usage environment variable4. Global loading status5. Global error alerts that can be turned off6. G ...

Preface Question: how can I use native js instead of element.addClass/removeClass("") to add a class name to the current element? Answer: you can use the classList in js. It has several callable methods > > > add, remove, toggle, contains, replace, item, among which add / remove can ...

Cookie Get Cookie request.COOKIES['key'] request.get_signed_cookie('key', default=RAISE_ERROR, salt='', max_age=None) The parameters of get_signed_cookie method: default: default value Salt: Encrypted salt max_age: Background control expiration time Set Cookie rep = HttpResponse(...) rep ＝ render(request, ...) rep.set_cookie(key,value,...) ...

Article directory 1. js array 2. Functions of JS 3. Global and local variables of JS 1. js array 1.Definition: (1)var arr = [1,2,3]; var arr = [1,"4",true]; (2)Using built-in objects Array var arr1 = new Array(5);//Define an array with an array length of 5 arr1[0] = "1"; (3)Using built-in obje ...

When making forms, we often encounter the alignment of two fields, such as name, cell phone number and birthplace. So we're going to use the text-align, text-justify style. Just set text-align to justify. The situation of text-justify is complicated. Some people may not be familiar with it. The values o ...