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How to Count Frequency of Array Items in JavaScript

Often you may need to count frequency of array items in JavaScript. Here are the steps to do it.

Sometimes you may need to allow only alphabet input in HTML text input. Here are the steps to do so.

Often you may want to allow only numeric input in HTML text input. Here are the steps to do so.

Sometimes you may need to disable scrolling in web pages and HTML elements. Here are the steps to do it.

By default sudo password timeout is 15 minutes. Here is how to change sudo password timeout in Linux.

Often you may need to reset WordPress admin password. Here are the steps to do it.

Sometimes you may need to stop setinterval call. Here are the steps to do it.

Sometimes you may need to store file content in shell variable. Here are the steps to do it.

Sometimes you may need to sort array of objects by multiple properties. Here is how to do it.

Sometimes you may need to get position of element in HTML. Here are the steps to do it.