I saw somewhere else said,  x && foo();  ?is equal to  if(x){     foo(); }   I tested it and they really did the same thing. But why? What exactly is x && foo()?...
Is there any meaningful difference between  condition && console.log("this may run");   and  if (condition) console.log("this may run);   If not, which is a best practice?...
Just started my uni course, struggling a little with javascript. I have been asked to display a square using any character, however, the solution must combine for loops and if statements.   This is what I have so far and I feel pretty close but I jus...
I have 2 different directives. The first one is returns an iframe with a live video, and the second returns an iframe with a recent video.  The condition is: if live content is present, append live directive, else append recent video directive.  Ive...
How do i load my React toolbar component conditionally on state change?  constructor(props) {         super(props);         this.state = {             currentpagenum: 0,         };     }  render(){    return(        <View>            {this.stat...
while executing below loop fails as soon as a advertisement is encountered. Site purposefully put random advertisement. is it possible to handle it with #EANF# not sure how to code it. please help. Something like this.   //if(text=="#EANF#" |...
I'm working on creating a toggle function to 'favorite' an item from a list of many. I've got working script to toggle the item in and out of a user-specific favorites list, communicate that change to a database, and populate the rest...
I have a simple html form that I've added validation to using the JQuery Validation plugin. I have it working for single fields that require a value. I now need to extend that so that if a user answers Yes to a question they must enter something...
I have been using a ternary operator in JavaScript to modify the value of an object based on user input. I have the following code, which runs as it should:  var inputOneAns = inputOne == "Yes" ? "517" : "518";   As you can se...
var a = 1;  function myFunction() {     ++a;     return true; }  // Alert pops up. if (myFunction() && a === 2) {     alert("Hello, world!"); }  // Alert does not pop up. if (a === 3 && myFunction()) {     alert("Hello, un...

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