You can’t send an email directly with javascript. You can, however, open the user’s mail client: There are also some parameters to pre-fill the subject and the body: Another solution would be to do an ajax call to your server, so that the server sends the email. Be careful not to allow anyone to send … Read more
ECMAScript 6 introduces the easily polyfillable Object.assign: The Object.assign() method is used to copy the values of all enumerable own properties from one or more source objects to a target object. It will return the target object. The own length property of the array is not copied because it isn’t enumerable. Also, you can use … Read more
Like this: …or you can use the tilde operator: This works because indexOf() returns -1 if the string wasn’t found at all. Note that this is case-sensitive.If you want a case-insensitive search, you can write Or: The latter is a regular expression or regex. Regex breakdown: / indicates this is a regex yes means that … Read more
I tried to run a project downloaded from github. Unfortunately, during npm install the following warnings were shown. I tried to change the version based on this question. However, I had a problem, because some packages require multiple versions other packages. Consider these two lines: So, installing some packages causes the list of dependencies to … Read more
Like this: …or you can use the tilde operator: This works because indexOf() returns -1 if the string wasn’t found at all. Note that this is case-sensitive.If you want a case-insensitive search, you can write Or: The latter is a regular expression or regex. Regex breakdown: / indicates this is a regex yes means that … Read more
jQuery isn’t necessary. Most of the top results I got from a Google search gave me this answer: Where you have nested elements, the document might not scroll. In this case, you need to target the element that scrolls and use it’s scroll height instead. window.scrollTo(0,document.querySelector(“.scrollingContainer”).scrollHeight); You can tie that to the onclick event of … Read more
Check if the jQuery object contains any element before you try to get its offset:
I used the idea from Kerry’s answer, but simplified it since I was just looking for something simple for my specific purpose. Here is what I have: Show code snippet The regex uses 2 lookahead assertions: a positive one to look for any point in the string that has a multiple of 3 digits in … Read more
I am unsure which of them is wrong because you did not provide your HTML, but one of these does not exist: There is either no element with the id cal_preview, year, holiday, cal_option, or some combination. Therefore, JavaScript is unable to read the value of something that does not exist. EDIT: If you want … Read more