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Full Discussion: Turning jQuery Code into Vue.js
Top Forums Web Development Turning jQuery Code into Vue.js Post 303025740 by Neo on Sunday 11th of November 2018 05:23:14 AM
Old 11-11-2018
In this example, we move setInterval() inside the Vue component.

However, this is still suboptimal, as the goal is to get Vue to react (be reactive) and update to changes to external JS vars in the dev console without reloading the page. This is simply a rearrangement of the code in the prior post. I want to bind the Vue instance to external var changes outside the DOM (outside the Vue instance), and have Vue react to this. The means that when we do vbuserId = "some new value" in the console, the avatar will change. The code below works, but only because it polls vbuserId every second.

We are still searching for a way to do this ....

Code:
Vue.component("unix-navbar", {
 template: `<div class="neo-table-border vue-navbar"> 
	<div  class="vue-site-info">
                <a class="vue-site-link" :href="url">{{name}}</a>
              </div>
              <div id="avatar"  v-html="theavatar" @click="OpenMemberPanel()"></div>
            </div>`,

  data() {
    return {
      name: "The UNIX and Linux Forums",
      url: "https://www.unix.com/",
      id: vbuserId,
      avatar: vbtheURL
    };
  },
  computed:{
     theavatar: function () {
      if ( this.id > 0 )
        return '<img id="avatar-img" src="' + this.avatar + '"></img>';
      else   
       return '<i id="avatar-icon" class="fas fa-user"></span>';
    }
  },
  methods: {
    OpenMemberPanel() {
      if ( this.id > 0 )
        openMemberPanel();
      else
        openLogin();
    },
    GetUID() {
       this.id = vbuserId;
    }
  },
   created(){
    var timerID = setInterval(this.GetUID, 1000);
  }

});

var vm  =
  new Vue({
    el: "#vue-navbar"
  });

 

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LEARN ABOUT DEBIAN

qwtsamplingthread

QwtSamplingThread(3)						 Qwt User's Guide					      QwtSamplingThread(3)

NAME

       QwtSamplingThread -

       A thread collecting samples at regular intervals.

SYNOPSIS

       #include <qwt_sampling_thread.h>

   Public Slots
       void setInterval (double interval)
       void stop ()

   Public Member Functions
       virtual ~QwtSamplingThread ()
       double interval () const
       double elapsed () const

   Protected Member Functions
       QwtSamplingThread (QObject *parent=NULL)
       virtual void run ()
       virtual void sample (double elapsed)=0

Detailed Description
       A thread collecting samples at regular intervals.

       Contiounous signals are converted into a discrete signal by collecting samples at regular intervals. A discrete signal can be displayed by
       a QwtPlotSeriesItem on a QwtPlot widget.

       QwtSamplingThread starts a thread calling perodically sample(), to collect and store ( or emit ) a single sample.

       See also:
	   QwtPlotCurve, QwtPlotSeriesItem

Constructor &; Destructor Documentation
   QwtSamplingThread::~QwtSamplingThread () [virtual]
       Destructor.

   QwtSamplingThread::QwtSamplingThread (QObject *parent = NULL) [explicit, protected]
       Constructor.

Member Function Documentation
   double QwtSamplingThread::elapsed () const Returns:
	   Time (in ms) since the thread was started

       See also:
	   QThread::start(), run()

   double QwtSamplingThread::interval () const Returns:
	   Interval (in ms), between 2 calls of sample()

       See also:
	   setInterval()

   void QwtSamplingThread::run () [protected, virtual] Loop collecting samples started from QThread::start()
       See also:
	   stop()

   virtual void QwtSamplingThread::sample (doubleelapsed) [protected, pure virtual] Collect a sample
       Parameters:
	   elapsed Time since the thread was started in miliseconds

   void QwtSamplingThread::setInterval (doubleinterval) [slot] Change the interval (in ms), when sample() is called. The default interval is
       1000.0 ( = 1s )
       Parameters:
	   interval Interval

       See also:
	   interval()

   void QwtSamplingThread::stop () [slot] Terminate the collecting thread
       See also:
	   QThread::start(), run()

Author
       Generated automatically by Doxygen for Qwt User's Guide from the source code.

Version 6.0.0							  Fri Apr 15 2011					      QwtSamplingThread(3)
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