Mixed Content Page: requested an insecure stylesheet error
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javascript
Simulate Keypress With jQuery
The keypress event from jQuery is meant to do this sort of work. You can trigger the event by passing a string “keypress” to .trigger(). However to be more specific you can actually pass a jQuery.Event object (specify the type as “keypress”) as well and provide any properties you want such as the keycode being … Read more
Is there a simple way to create a javascript lookup table?
You can index prices in a two dimensional map on page load (with working fiddle). 1) I put the select values in lookup-tables in case you have to preload them: 2) Here is your price table in array form: 3) Initializing selects (populating values and event ‘change’): 4) Indexing your price table: 5) Function updateSpan … Read more
How to check if a variable is not null?
They are not equivalent. The first will execute the block following the if statement if myVar is truthy (i.e. evaluates to true in a conditional), while the second will execute the block if myVar is any value other than null. The only values that are not truthy in JavaScript are the following (a.k.a. falsy values): null undefined 0 “” (the empty string) false NaN
jQuery make global variable
Your code looks fine except the possibility that if the variable declaration is inside a dom read handler then it will not be a global variable… it will be a closure variable To make the variable global, one solution is to declare the variable in global scope another is to set the variable as a … Read more
How do I use this JavaScript variable in HTML?
You don’t “use” JavaScript variables in HTML. HTML is not a programming language, it’s a markup language, it just “describes” what the page should look like. If you want to display a variable on the screen, this is done with JavaScript. First, you need somewhere for it to write to: Then you need to update … Read more
javascript setTimeout() not working
This line: You’re invoking startTimer(). Instead, you need to pass it in as a function to be invoked, like so:
JSON.parse() not working
I dont think you should call JSON.parse(jsonObject) if the server is sending valid JSON as it will be parsed automatically when it retrieves the response. I believe that if You set the Content-type: application/json header it will be parsed automatically. Try using jsonObject as if it was already parsed, something like: Without calling JSON.parse before.
Error: Cannot find module html
I am assuming that test.html is a static file.To render static files use the static middleware like so. This tells express to look for static files in the public directory of the application. Once you have specified this simply point your browser to the location of the file and it should display. If however you want to … Read more
Uncaught TypeError: Cannot read property ‘appendChild’ of null
There isn’t an element on your page with the id “mainContent” when your callback is being executed. In the line: the section document.getElementById(“mainContent”) is returning null