I have a function callWithMagic which takes a callback function as a parameter and calls it with one argument.  const callWithMagic = callback => {   const magic = getMagic();   callback(magic); };   I also have a function processMagic which tak...

How do I pass a function as a parameter without the function executing in the "parent" function or using eval()? (Since I've read that it's insecure.)  I have this:  addContact(entityId, refreshContactList());   It works, but the pr...

In a web application that makes use of AJAX calls, I need to submit a request but add a parameter to the end of the URL, for example:  Original URL:      http://server/myapp.php?id=10   Resulting URL:     http://server/myapp.php?id=10&enabled=t...

Please advise how to pass parameters into a function called using setInterval.  My example setInterval(funca(10,3), 500); is incorrect....

I'm creating HTML with a loop that has a column for Action. That column is a Hyperlink that when the user clicks calls a JavaScript function and passes the parameters...  example:  <a href="#" OnClick="DoAction(1,'Jose');&#...

For instance, I have a url like this : www.mysite.com/my_app.html  How do I pass a value " Use_Id = abc " to it and use javascript to display on that page ?...

We have a project that generates a code snippet that can be used on various other projects. The purpose of the code is to read two parameters from the query string and assign them to the "src" attribute of an iframe.  For example, the page at...

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I am calling a .js file within a HTML file. On the URL to the .js file I want to include a parameter that will be accessable to the code INSIDE the .js file.  For example:    I want to be able to pass the ID value to a function within the jquery_widg...

On this page, it shows some example code, containing the following line:  var Subject = ( function( window, undefined ) {   What is the undefined as a function parameter?...