1. Find elements:
(1). There are 4 kinds of element objects that can be obtained directly without searching:
document.documentElement - document.head - document.body - document.forms[i] -
(2). If you have obtained an element object, when you find the element object around you, you can use the search by the relationship between nodes: 2 ...
Posted by shadypalm88 on Mon, 07 Mar 2022 21:02:55 +0100
In web development, sometimes it is inevitable to deal with "selection" and "cursor", such as selecting highlight, selecting toolbar, manually controlling cursor position and so on. The selection area is the part selected with the mouse, usually blueWhat about the cursor? Is it the flashing vertical line?Warm tip: the articl ...
Posted by misterfine on Thu, 24 Feb 2022 14:09:45 +0100
1, Introduction to canvas
2, Drawing basis
1. Introduction to canvas label
2. canvas Context
4. Case: drawing a table in canvas
5. beginPath status of canvas
6. Draw rectangle rect
7. Draw circular arc
8. Case: draw a pie chart based on a set of data
1, Introduction to canvas
Canvas is a new label provided by HTML5 < ca ...
Posted by 2gd-2be-2rue on Fri, 18 Feb 2022 14:16:29 +0100
(1) When storing multiple data of the same type, you can use array, which is a reference type.
Two ways to create arrays
//The first creation method Use the new keyword
var nameList = new Array();
//The second creation method uses  literal.
var nameList = ;
(2) Data is stored by index (sequence number) in the number, and t ...
Posted by v3nt on Wed, 09 Feb 2022 22:02:11 +0100
Posted by lorddraco98 on Sun, 30 Jan 2022 18:00:21 +0100
This is the third article about diff, talking about vue3's diff ideas Ideas mainly come from vue-design project
[CSDN]Talk to the interviewer about Diff___React [CSDN]Talk to the interviewer about Diff___vue2 [CSDN] talk to the interviewer about diff___ Vue3 (this article)
For a better reading experience, it is suggested to start from th ...
Posted by flashback on Sun, 30 Jan 2022 16:12:48 +0100
1, Registration event (binding event)
Traditional registration events are unique. Only one function can be set, and the later registered function will overwrite the new functionMethod listening registration method: addEventListener(type，listener[,useCapture]) (1) The event type inside is a string, which must be quoted without ...
Posted by mrodrigues on Sat, 29 Jan 2022 04:10:38 +0100
1. Operation elements
1.1 case of imitating JD to display and hide password plaintext
1.2 case of closing QR code ...
Posted by weemee500 on Sat, 15 Jan 2022 04:52:46 +0100
In 2002, W3C released the DOM Level 2 Events Specification
Specify that the browser needs to support two call sequences at the same time:
First, see if there is function monitoring in the order of Grandpa = > dad = > son
Then see if there is function monitoring in the order of son = > father = > Grandpa
Posted by bhanu on Fri, 14 Jan 2022 01:14:56 +0100
I still remember the last interview when I was asked about the relationship between htmlCollection and array. At that time, I was thinking about the relationship between sets and arrays in html. That is to say, the relationship between sets and arrays?
So... The interviewer immediately corrected me that htmlCollection is a c ...
Posted by Altec on Wed, 05 Jan 2022 20:38:13 +0100