Is there a way to incorporate React’s curly brace notation and an href tag? Say we have the following value in the state: and the following HTML attributes on a tag: Is there a way I can add the id state to the HTML attribute to get something like this: Which will yield: Answer You’re almost corre…
Tag: html
How to change active bootstrap tab with javascript
I have tried to change the active tab and failed to use the javascript onclick element correctly. Here’s the code: How could I be able to use the buttons to change the active tab to their associated id? Please advise. Have a great day! Answer You can trigger click on tab you want when click on your butt…
Preview images before upload
I have a page with four images for the user to select. I want the user to be able to preview each image on the site before upload. The JavaScript code below works for only one image but I would like …
How to execute click function before the blur function
I’ve got a simple issue but I can’t seem to figure out any solution. Basically I’ve got an input that toggles a dropdown when focused, and when it’s not focused anymore it should close the dropdown. However, the problem is that if you click on an item in the dropdown, the blur function…
HTML/Javascript Grade Average Calculation
I am currently writing a program in HTML/JavaScript and have been fighting it for several days with hours of research and studying without resolution. My program/site has a table that asks the user to enter their grades for 4 different categories. Then upon clicking the button to calculate the average it is s…
Catching ‘Origin is not allowed by Access-Control-Allow-Origin’ error
So, i want to detect/catch Cross-Domain access blocked error. After some thought i found out that it src loading is async & thus the catch block wont work. Is there any way to detect the error so i can handle it efficiently? Answer As @TamasHegedus commented, the image can still be loaded with the CORS er…
How to get data from JSON array JavaScript
I want to push the data from piedatalist which contains two attributes, value and key and I want to pass to jqplot like this [key,value] to render the chart but it doesn’t work. Answer The JSON at the start can’t just be pasted into the code. It’s a string, but there are newlines which break…
HTML datetime-local change event?
Is there a way to handle “datetime-selection” event with <input type=’datetime-local’> control? onchange, onselect and oninput does not work for me. Answer (In chrome) the onchange event triggers when the field is completely filled Also have a read of Why is HTML5 input type date…
how to show arrow only when hover slideshow html css javascript
I am trying to show arrows only when the mouse hover on the image. Is there any way this can be done in CSS, html or Javascript. Any help will be appreciated. Thanks. Answer if you want the arrows to appear when hovering over the image – one way is to have the css as follows (I’ve dummied up image
Syntax error: missing ) after the argument list?
Syntax error: ) missing after the argument list? Answer You are missing quotes in the HTML. Both the close ” for the onclick attribute, and you need to wrap your parameter in single quotes to make it a string: