Is there a way to create interfaces in ES6 / Node 4?
Interfaces are not part of the ES6 but classes are. If you really need them, you should look at TypeScript which support them.
javascript
DeprecationWarning: Calling an asynchronous function without callback is deprecated. – how to find where the “function:” is?
You can use either the –trace-deprecation or –throw-deprecation options. For example: or: The first option will log a stack trace and the second will throw an error (which, if not caught, will also log a stack trace). Also, 4346 is most likely the process ID.
How can I convert an image into Base64 string using JavaScript?
You can use the HTML5 <canvas> for it: Create a canvas, load your image into it and then use toDataURL() to get the Base64 representation (actually, it’s a data: URL, but it contains the Base64-encoded image).
setTimeout callback argument
Your question really has nothing at all to do with setTimeout. You simply need to understand the difference between a function call and a reference to a function. Consider these four assignments: The first two assign a reference to a function to their respective variables. The last two, however, call functions (that’s what the parens are for) and assign their … Read more
Documentation for using JavaScript code inside a PDF file
Probably you are looking for JavaScript™ for Acrobat® API Reference. This reference should be the most complete. But, as @Orbling said, not all PDF viewers might support all of the API. EDIT: It turns out there are newer versions of the reference in Acrobat SDK (thanks to @jss). Acrobat Developer Center contains links to different versions of … Read more
how to add inside a text box?
. I usually do it element.value=”<script>alert(‘test’);</script>”. If sounds like you are generating an inline <script> element, in which case the </script> will end the HTML element and cause the script to terminate in the middle of the string. Escape the / so that it isn’t treated as an end tag by the HTML parser:
How do I concatenate a string with a variable?
Your code is correct. Perhaps your problem is that you are not passing an ID to the AddBorder function, or that an element with that ID does not exist. Or you might be running your function before the element in question is accessible through the browser’s DOM. Since ECMAScript 2015, you can also use template literals (aka template … Read more
What’s the equivalent of Java’s Thread.sleep() in JavaScript?
The simple answer is that there is no such function. The closest thing you have is: Note that you especially don’t want to busy-wait (e.g. in a spin loop), since your browser is almost certainly executing your JavaScript in a single-threaded environment. Here are a couple of other SO questions that deal with threads in JavaScript: JavaScript … Read more
Using Angular 2 without TypeScript Transpiler
Angular2 is available in TypeScript, JavaScript and Dart. No need to use TypeScript. See– https://angular.io/docs/js/latest/index.html– http://blog.thoughtram.io/angular/2015/05/09/writing-angular-2-code-in-es5.html– http://blog.thoughtram.io/angular/2015/07/06/even-better-es5-code-for-angular-2.html See also Is it possible to use ES5 JavaScript with Angular 2 instead of TypeScript?
window.location.href doesn’t redirect
I know this is a question much discussed but I can’t figure out why it does not work for me. This is my function: If I have the alerts uncommented or if I have Mozilla’s bugzilla open it works fine, otherwise it does not redirect to the other page. Any ideas why?