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Tag: html

Concatenating variables and strings in React

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 correct, just misplaced a

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 is executed before the click function of

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 supposed to take those 4 values, and then

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 strings, and double-quote characters which

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 datetime removed from browsers already supporting it?

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