steady.js | event without performance regressions in a @ media-query | Media library

 by   lafikl JavaScript Version: 2.0.0 License: MIT

kandi X-RAY | steady.js Summary

kandi X-RAY | steady.js Summary

steady.js is a JavaScript library typically used in Media applications. steady.js has no vulnerabilities, it has a Permissive License and it has medium support. However steady.js has 1 bugs. You can install using 'npm i steady' or download it from GitHub, npm.

A module to do some logic on the `onscroll` event without performance regressions in a @media-query like conditions.
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            kandi-support Support

              steady.js has a medium active ecosystem.
              It has 1364 star(s) with 43 fork(s). There are 22 watchers for this library.
              OutlinedDot
              It had no major release in the last 12 months.
              There are 4 open issues and 13 have been closed. On average issues are closed in 7 days. There are 2 open pull requests and 0 closed requests.
              It has a neutral sentiment in the developer community.
              The latest version of steady.js is 2.0.0

            kandi-Quality Quality

              steady.js has 1 bugs (0 blocker, 0 critical, 1 major, 0 minor) and 0 code smells.

            kandi-Security Security

              steady.js has no vulnerabilities reported, and its dependent libraries have no vulnerabilities reported.
              steady.js code analysis shows 0 unresolved vulnerabilities.
              There are 0 security hotspots that need review.

            kandi-License License

              steady.js is licensed under the MIT License. This license is Permissive.
              Permissive licenses have the least restrictions, and you can use them in most projects.

            kandi-Reuse Reuse

              steady.js releases are available to install and integrate.
              Deployable package is available in npm.
              steady.js saves you 12 person hours of effort in developing the same functionality from scratch.
              It has 34 lines of code, 0 functions and 4 files.
              It has low code complexity. Code complexity directly impacts maintainability of the code.

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            steady.js Key Features

            No Key Features are available at this moment for steady.js.

            steady.js Examples and Code Snippets

            How to fix @Error: Equation Definition GEKKO
            JavaScriptdot img1Lines of Code : 68dot img1License : Strong Copyleft (CC BY-SA 4.0)
            copy iconCopy
            for i in range(len(Sadd)):
                m.Minimize((Sadd['Load'].iloc[i]-PV[i]+6*X2[i])*TOU[i]) 
            
            import pandas as pd
            import numpy as np
            from gekko import GEKKO
            m = GEKKO(remote=False) # Initialize gekko
            Sadd=pd.read_csv("Sa
            How to add MV overshoot as a constraint in optimal PID parameters estimation problem?
            JavaScriptdot img2Lines of Code : 76dot img2License : Strong Copyleft (CC BY-SA 4.0)
            copy iconCopy
            from gekko import GEKKO
            import numpy as np
            import matplotlib.pyplot as plt  
            
            # Process model
            Kp = 0.5                    # process gain
            tauP = 10.0                 # process time constant
            
            # pre-solve for steady state values
            m = GEKKO()
            O
            GEKKO Exception: @error: Max Equation Length (Number of variables greater than 100k)
            JavaScriptdot img3Lines of Code : 215dot img3License : Strong Copyleft (CC BY-SA 4.0)
            copy iconCopy
            from gekko import GEKKO
            import numpy as np
            import pandas as pd
            
            n = 10
            df1 = pd.DataFrame({'responsivness':np.random.rand(n),\
                                'affinity':np.random.rand(n),\
                                'cost':np.random.rand(n)})
            print(df1.head
            Learning more about APOPT solver
            JavaScriptdot img4Lines of Code : 60dot img4License : Strong Copyleft (CC BY-SA 4.0)
            copy iconCopy
            from gekko import GEKKO
            m = GEKKO() # Initialize gekko
            m.options.SOLVER=1  # APOPT is an MINLP solver
            
            # optional solver settings with APOPT
            m.solver_options = ['minlp_maximum_iterations 500', \
                                # minlp iterations with 
            Integer constrained optimization with objective function expressed to execute another program call
            JavaScriptdot img5Lines of Code : 42dot img5License : Strong Copyleft (CC BY-SA 4.0)
            copy iconCopy
            from gekko import GEKKO
            def f(x1,x2):
                return (x1.value-3.3)**2 + (x2.value-5.7)**2
            m = GEKKO() # Initialize gekko
            m.options.SOLVER=1  # APOPT is an MINLP solver
            x1 = m.Var(value=8,lb=1,ub=16,integer=True)
            x2 = m.Var(value=8,lb=1,ub=16,
            copy iconCopy
            import numpy as np
            import matplotlib.pyplot as plt
            from scipy.integrate import odeint
            from gekko import GEKKO
            
            # Steady State Initial Condition
            u2_ss=10.0
            
            h_ss=50.0
            
            x0 = np.empty(1)
            x0[0]= h_ss
            
            #%% GEKKO nonlinear MPC
            m = GEKKO(remote=F
            how to solve a simple mixing operation in gekko?
            JavaScriptdot img7Lines of Code : 162dot img7License : Strong Copyleft (CC BY-SA 4.0)
            copy iconCopy
            from gekko import GEKKO, chemical
            import json
            
            m = GEKKO(remote=False)    
            
            f = chemical.Flowsheet(m)
            P = chemical.Properties(m)
            
            # define compounds
            c1 = P.compound('Butane')
            c2 = P.compound('Propane')
            
            # create feed streams
            feed1 = f.stre
            Servo doesn't respond as expected
            JavaScriptdot img8Lines of Code : 74dot img8License : Strong Copyleft (CC BY-SA 4.0)
            copy iconCopy
            #include 
            Servo myservo;
            int sensorPin = A0; // select the input pin for LDR
            int sensorValue = 0; // variable to store the value coming from the sensor
            int pos = 1;
            int barState;
            
            void setup() {
              Serial.begin(9600); //sets serial port for

            Community Discussions

            QUESTION

            scroll events: requestAnimationFrame VS requestIdleCallback VS passive event listeners
            Asked 2019-Nov-03 at 17:37

            As we know, it's often advised to debounce scroll listeners so that UX is better when the user is scrolling.

            However, I've often found libraries and articles where influential people like Paul Lewis recommend using requestAnimationFrame. However as the web platform progress rapidly, it might be possible that some advice get deprecated over time.

            The problem I see is there are very different use-cases for handling scroll events, like building a parallax website, or handling infinite scrolling and pagination.

            I see 3 major tools that can make a difference in term of UX:

            So, I'd like to know, per usecase (I only have 2 but you can come up with other ones), what kind of tool should I use right now to have a very good scroll experience?

            To be more precise, my main question would be more related to infinite scrolling views and pagination (which generally do not have to trigger visual animations, but we want a good scrolling experience), is it better to replace requestAnimationFrame with a combo of requestIdleCallback + passive scroll event handler ? I'm also wondering when it makes sense to use requestIdleCallback for calling an API or handling the API response to let the scroll perform better, or is it something that the browser may already handle for us?

            ...

            ANSWER

            Answered 2019-Nov-03 at 17:37

            Although this question is a little bit older, I want to answer it because I often see scripts, where a lot of these techniques are misused.

            In general all your asked tools (rAF, rIC and passive listeners) are great tools and won't vanish soon. But you have to know why to use them.

            Before I start: In case you generate scroll synced/scroll linked effects like parallax effects/sticky elements, throttling using rIC, setTimeout doesn't make sense because you want to react immediately.

            requestAnimationFrame

            rAF gives you the point inside the frame life cycle right before the browser wants to calculate the new style and layout of the document. This is why it is perfect to use for animations. First it won't be called more often or less often than the browser calculates layout (right frequency). Second it is called right before the browser does calculate the layout (right timing). In fact using rAF for any layout changes (DOM or CSSOM changes) makes a lot of sense. rAF is synced with the V-SYNC as any other layout rendering related stuff in the browser.

            using rAF for throttle/debounce

            The default example of Paul Lewis looks like this:

            Source https://stackoverflow.com/questions/41740082

            Community Discussions, Code Snippets contain sources that include Stack Exchange Network

            Vulnerabilities

            No vulnerabilities reported

            Install steady.js

            You can install using 'npm i steady' or download it from GitHub, npm.

            Support

            For any new features, suggestions and bugs create an issue on GitHub. If you have any questions check and ask questions on community page Stack Overflow .
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