I know Its weird, but the existing code I’m working have Duplicate ID’s instead of class. i’m tying to get value of class using sy_brn ID. expecting to get value like- its not working as multiple ID on same page not works. I don’t have the flexibility to convert all <div IDs to clas…
Tag: javascript
Changing the attribute cx and cy when screen resize in D3.js with React
I have a problem with the dynamic change of cx and cy attributes depending on the size of window.innerHeight/window.innerWidth. I am sending to component window.innerHeight/window.innerWidth as hight/width and it look like this: this is bubble-chart-svg css class: When I add console.log(xScale(4)) in I get in…
I am trying to get a users from firestore and store them in Map in javascript but for some reasone the map is empty
So the user Object has 5 attributes firstName , lastName,email,password and city. I am getting the users with a method in class Users which is : which returns this in chrome console: I am trying to use credentials in a Map because every user will have a unique email which will be the key to the map. Answer If…
How to preserve newlines in a textarea when passing by POST?
In my web page, I am passing the value of a textarea to PHP via the POST Method. That value is supposed to be written into a file, but in the $_POST key which contains the value, it has no line breaks, so when it is written to the file, there are no line breaks (as if some one replaced
Preview Text with MathJax Using async
Below is an example of a text preview using jQuery. I would have thought inserting the following snippet in the third line would preview MathJax. I am confused why adding this portion does not convert LaTeX. How can I activate MathJax to make it convert the message below in only the preview below? I have seen…
Replace colon in javascript before sending the form
I have a text input search field. I’d like to add an escape backslash to any colon entered by the user. This is what I have right now: It doesn’t seem to work, though: the string sent to the ‘q’ parameter has the colon without the escape character. What am I missing? Answer Even when f…
How to overflow auto focus last element
I develop Todo App. İf add to new element, scrollbars not focusing bottom of the page. How can i solve this problem ? Answer You can make use of Element.scrollIntoView() after adding it. For example: For more information’s about compatibility you should have a look at https://developer.mozilla.org/de/do…
How can I create separate list items from local storage items and show them in to do list?
Here you can see a picture of the problem: ProblemInToDoList To Do App works fine but when the app should bring saved list items from the local storage, the app puts them all in the same “li” element as you can see from the picture. The list items should be in separate “li” elements so…
How to display data in textbox from database MySQL based on selected option?
I have a table “tb_seri” in MySQL, with columns “id_seri”, “nm_seri” and “value_seri” So, I want to select “nm_seri” in the select option, and then “value_seri” will appear in the textbox afterwards based on “nm_seri” selected…
Promise never gets resolved in javascript
I have a asyn function in which I call another function that return a promise and also calls to another async function. Here is the code: since I have some asynchronous code to execute so I cannot invoke resolve() directly. so I use call back and the animate function itself is async doing a bunch of asynchron…