I am using this code on the WordPress website and errors continuously coming to my site. This picture shows the error Answer The reason why you are receiving this error is because the variable valor does not have a value assigned to it and thus is undefined. replace() is a function that acts on string values.…
Tag: javascript
Best way to use a placeholder image and then replace it after the image finishes loading?
Currently the google static maps https://developers.google.com/maps/documentation/maps-static/overview takes too long to load which causes a high LCP(large content painting). The solution would be to load a placeholder image and then once the google static maps IMG is finished loading to replace the placehold…
is there a way to get the value from the first cell in html table row using javascript only?
I’m trying to figure out how to get the value from the first column of selected row inside the HTML table i’m selecting the row using button created using this js code : the table is created from code behind using stringbuilder what I tried is this: then i want to get the selected row id , what i …
Using Ajax GET to download compressed JSON files
Background. I’m tasked with debugging some PHP and JavaScript code designed to pull static, gzip’ed JSON files from the host server, and manipulate the resulting JSON object’s parameters. Apologies in advance for my misuse of terminology. I have some experience with software development, but…
How to hook into html with my own html overlay?
I am trying to overlay some HTML code over a website’s image using <iframe> and CSS. The website is a weather-monitoring website (which we’ve purchase btw), that I want to overlay with my own HTML code and image. Is it possible to “hook” into one portion of the image with my own …
Angular Form Array – Dynamically Add Value to Nested Form Group
I followed the this video to create a reactive form to input data into an Angular application I am working on. It does what I want for the most part, however, I have added an additional control(“setNumber”) to be added in the reactive form array, but instead of inputting a value through the input …
UseEffect only works after refresh the page
I am using an useEffect inside a Context. I think the useEffect should run after load the page, but it does not work, but if I refresh the page(F5) then it works. I am new Using React, but I think it should work with the empty array as arg. This is the Context: EDIT: Now I realized that the problem
Why doesn’t this function change the case of the string when it has a similar character like the first letter?
Can’t understand why the following function works for some strings an didn’t work for some which has a similar character like the first. Answer The function String.prototype.replace replaces the first occurrence when the first argument is a string. You can split the string change the index to uppe…
Image jumping to last position translation movement
I have some buttons that move an image with translation, but when I press one button then another and then the first one again, it jumps to where I was the the last time I pressed the first button. Here is the JavaScript responsible for moving the image. Answer basically creating two objects inside a JSON var…
Replace single quote ( ‘ ) from each record in list JS
so I have a list like this: And I want to look like this: My problem is, I try every way i know to replace the single quote but, nothing work, so far so god, I got this code: But I still getting the same result, any idea of how can i do it? Thank you very much to all!