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javascript - How to write this effect in H5 canvas? Does anyone have any ideas or code?

How to write this effect in H5 canvas? Does anyone have any ideas or code for ripples and raindrops?

世界只因有你 2017-06-05 11:13:36 0  3  1147

javascript - jQuery or Canvas integral display effect idea solution

As shown in the picture, the credit score of 100 is data-bound through Angular.js. Now I need to use jQuery or Canvas to make a special effect on the credit score page. The user's starting credit is 100, and the small white circle is on the far right. Then the user's credit score will increase or de...

怪我咯 2017-05-19 10:28:23 0  4  682

html5 - How to use Canvas technology to create a music score that jumps up and down

I would like to ask how to use canvas technology to create a music score that jumps up and down. It is similar to this picture, with a simple effect of jumping up and down!

PHPz 2017-05-16 13:21:58 0  1  854

Problem with not getting accurate mouse coordinates: using HTML5 canvas when resizing the page

I want to create this pixel effect from a front-end expert. Although I can achieve the entire pixel effect on a full-screen canvas: constcanvas=getElementById('canvas');canvas.height=window.innerHeight;//Set the full-screen height to the canvas canvas.width=window.innerWidth;//Set the canvas to full...

P粉752290033 2023-09-12 12:20:33 0  1  854

java - How does freemarker achieve this simple effect?

The template {code...} page calls {code...} and the resulting page has the sentence var a=1; running behind </html>, which is at the end of the template, and does not appear in the corresponding part of the template. Location. I have been working on .net for several years, and I feel t...

我想大聲告訴你 2017-05-27 17:41:00 0  2  725

javascript - How to achieve pencil line drawing effect on canvas

The line drawings I have done recently are all done with lineto, but the drawings are all solid lines. From the perspective of creative effect, I want to have the effect of drawing a [pencil]~ Dear masters, how to draw it. .

習(xí)慣沉默 2017-05-24 11:37:40 0  1  1153

javascript - How to implement front-end map animation effect.

Similar to the effect below, the avatar can move according to the route. I have never been exposed to this kind of animation before. How should the front end be implemented? canvas? webGL? or ready-made framework? I have no clue as to what ideas should be used to achieve this effect. . .

PHPz 2017-05-16 13:36:02 0  2  559

javascript - drag image into canvas

Can any expert help me to see this effect? ??You can drag the picture on the right into the canvas and edit it. How is it achieved? Can you explain it in detail? Urgent.

phpcn_u1582 2017-06-14 10:52:41 0  2  1000

javascript - JS event bubbling problem

Case closed: Use CSS to achieve this effect. Thanks for your help, I switched to using CSS to realize this effect. 1. In the following code, I listened to the mouseover and mouseout events of the a tag to trigger the canvas animation, and prevented the event from bubbling in the callbacks of mouseov...

學(xué)習(xí)ing 2017-06-12 09:32:56 0  3  906

ios animation fails after using constraint layout

After running this code, the animation effect fails {code...} When you click the button, the animation effect will return to its original position at the end. Can anyone give a simple answer to why [self.view addSubview:[[UIView alloc] init ]]; will cause this problem

為情所困 2017-05-02 09:34:40 0  1  604

Use special cursor to change text on hover

Please guide me how to change text on hover, similar to monopo website. I don't need a background. Just a simple circular effect (like a colored background) and text changes are all you need. Also, if possible, I would like the effect to be active only in the div named "about". Website lin...

P粉665427988 2023-09-05 23:47:42 0  1  663

javascript - How to draw multiple balls on canvas so that the background image of each ball is different? Is it possible?

Question: When drawing multiple balls on canvas, how can I make the background image of each ball different? Is it possible? What I want to do now is just make each ball a different color, and I want to fill it with pictures. Part of the code: {code...} Current effect:

大家講道理 2017-06-14 10:54:28 0  4  1106

web - java selenium setting explicit wait has no effect

I recently used selenium as a simple automation tool, but when I tested it, I felt that WebDriverWait wait = new WebDriverWait(driver,20); had no effect. After I entered the mailbox, wait.until(ExpectedConditions.presenceOfElementLocated(By... .

習(xí)慣沉默 2017-05-27 17:41:08 0  2  817

angular.js - Can json objects use ng-repeat

A jsonobject, I hope to traverse to obtain the key and value. Can I use ng-repeat to obtain it, or other simple methods to achieve an effect similar to the following; the following jsonobject will report an error when using ng-repeat {code...}

過(guò)去多啦不再A夢(mèng) 2017-05-15 17:05:43 0  2  640

javascript - Problems with obtaining mouse coordinates in canvas

I want to create a line drawing effect with the mouse, which is similar to the line drawing function of the drawing board that comes with the window. This requires obtaining the coordinates of the mouse, but I always feel that the coordinates are not obtained accurately. Every time I draw a line on ...

過(guò)去多啦不再A夢(mèng) 2017-05-19 10:29:32 0  1  685

javascript - QQ browser and uc browser do not support css3 animation, but the built-in browsers of qq and WeChat support it

A very simple effect, the drop-down list arrow rotates. The code has no problem opening in the built-in browsers of QQ and WeChat, and the native browser of the mobile phone (Xiaomi 5splus) has no problem, but the QQ browser and UC will not open.

ringa_lee 2017-06-12 09:32:38 0  1  1048

javascript - A question about react

Below is a simple dynamic effect written in react, but some parts are unclear. Why do we need to add bind(this) at the end of the timer? What is its function? What knowledge point do I lack that makes me unclear about adding bind(this)? {code...}

PHP中文網(wǎng) 2017-06-15 09:23:44 0  2  831

angular.js - $ionicModal conflicts with boostrap

Use $ionicModal to pop up the model window project. After introducing boostrap3.3.4, the model window becomes a black modal layer with no animation and no content. The following is the code. You can try it. The code is very simple and does not have any special effects. However, it has no effect. … i...

黃舟 2017-05-15 16:53:04 0  1  714

What am I doing wrong when using getters to retrieve state data and display it in a component?

I'm very new to vuejs3 and vuex4. I'm trying to do something simple like a getter. Since it didn't work for me, I made a console.log to see if the results appear in the console. The result is this: CompulatedRefImpl{dep: undefined, _dirty: true, __v_isRef: true, effect: ReactiveEffect, _setter: f, ....

P粉517814372 2024-03-29 09:03:31 0  1  559

css3 - Graphic and text responsive styles

Make this page responsive on the PC desktop: One way is to directly make the picture responsive. This method is simple. The only disadvantage is that the text is blurred and the effect is not perfect; the other way is to make the picture + Text, in this way, the text size needs to be adaptive, and t...

習(xí)慣沉默 2017-05-16 13:20:57 0  3  837