Skip to content

Tag: javascript

How to run Generator Functions in Parallel?

Assuming I have a Koa web server with an endpoint like this: Now the client will get the respond after ALL the actions are performed obviously. but the things is each action is dependent on the completion of the previous. Is there a way to execute them in parallel? Note: Turning them to Promises is not an opt…

Remove empty objects from an object

I am trying to remove empty objects inside an object, here is an example with the expected output: I tried using some examples from other StackOverflow questions, however those are just for one level objects. Answer Basic function that removes empty objects First start with a function that only works with a s…

How to change Label text color in amcharts

I have to change label text to green and red color.how can we change the color of a label using java script amcharts. and is it possible to add a up arrow after the label text.Please check the code below. Please Suggest me How can i achieve this.Also check this JsFiddle https://jsfiddle.net/ArunKumarUmma/21wm…

VueJS – How to detect Ctrl+V?

I’ve already seen the answers to this question, but it’s not the solution I need, since it’s for jQuery, and I need something for vue.js. So far, I was able to detect single character presses using the ff. code: The code above successfully prevents the textbox from accepting ArrowLeft, Home,…

RegEx match exactly 4 digits

Ok, i have a regex pattern like this /^([SW])w+([0-9]{4})$/ This pattern should match a string like SW0001 with SW-Prefix and 4 digits. I thougth [0-9]{4} would do the job, but it also matches strings with 5 digits and so on. Any suggestions on how to get this to work to only match strings with SW and 4 digit…