private function getURL(){ $url = isset($_GET['url']) && $_GET['url'] != "" ? $_GET['url'] : "home"; return explode("/", filter_var(trim($url,"/")),FILTER_SANITIZE_URL); } The above code execute without any warning or error, but the second line of getURL() function should be like: return explode("/", filter_var(trim($url,"/"),FILTER_SANITIZE_URL));…
I would like to change color of the header based on what color the user chooses and types in in the input box provided. I just can't figure out how to type correctly if (user input === color){ document.getElementById("header").style.color ="that…
I need to make a function that generates a string from an object's key/value pairs. The string should be : "key = value, key = value". with spacing around the = and each key/value pair separated by a comma and…
let foo = function(){ console.log(1); } setTimeout (foo,1000); foo = function(){ console.log(2); } I got the output as 1. But I need to know why because let can be reinitialized so its correct over here why didn't I get the…
Sorry if this obvious, I'm new to Javascript. I'm trying to make a calculator that calculates slope from two points. I couldn't figure out how to clear text from one text input box, so I have four text input boxes…
If I have a function (constructor) with a defined prototype, let's say: function Student(name) { this.name = name; } Student.prototype.sayHello = function() { console.log(`Hello, my name is ${this.name}`); } And I instantiate and object using that function (from what I…
I am following the simple records list tutorial for MongoDB's for MERN stack here. I followed all the instructions and fixed up my connection and it is working. However when I test out the app and try to create a…
I want to call the function we defined in a stateful widget class when a notification comes to the phone, so I need to use it in another class. For example: class ContactListPage extends StatefulWidget { @override _ContactListPageState createState() =>…
I have a function that mutates some global state. How can I abort this function when a certain condition comes true in order to prevent a race condition. Here is a code sample to clarify. let globalState = 0 const…
I'm building a simple digital clock on JavaScript and have implemented the 12 hour format clock as follows: function get12hrTime() { var date=new Date(); var hh=date.getHours(); var mm=date.getMinutes(); var ss=date.getSeconds(); var session="AM"; if(hh==0) { hh=12; } if(hh>12) { hh=hh-12; session…