Category : javascript

How to solve this? I don’t get it,,please help, thanks. And this is the error message when I run node server.js: client.on(‘getRelay’, function (state) { ReferenceError: client is not defined var express = require (‘express’); var app = require(‘express’)(); var server = require(‘http’).createServer(app); var io = require(‘socket.io’)(server); var port = 3000; let bodyRelay = { ..

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An extension of my previous question, Programmatically open nested, collapsed (hidden) nodes in d3.js v6 The issue I am struggling with is programmatically accessing JSON data visualized in the D3 collapsible trees, with those data loaded via a promise in d3.js. While that issue is illustrated in the following JSFiddle, https://jsfiddle.net/vstuart/fzgqxr17/20/ the code is better ..

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I know that the usage of path is the only way to rotate the marker based on documentation they have. So I create my own PNG image for marker, but the problem I never succeed when overriding CSS of the marker. I also tried to override the marker using DOM document.querySelectorAll(‘img[src="@/assets/logo.png]’)[0].parentNode.style.transform = "rotate(35deg)" But it ..

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I’m trying to echo a string in PHP as a string variable in a JavaScript function. It doesn’t output as desired. How do I fix this? <?php $example1 = "example 1"; $example2 = "example 2"; $example3 = "example 3′; $string = $example1.", ".$example2.", ".$example3; echo "<script>function testFunction(string) {console.log(string);}</script>"; echo "<button onclick=’testFunction(".$string.")’>Test</button>"; ?> Desired output: <button ..

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