![javascript - var $1 = document.getElementById("any"); works only after executing it twice in Chrome Dev Tools - Stack Overflow javascript - var $1 = document.getElementById("any"); works only after executing it twice in Chrome Dev Tools - Stack Overflow](https://i.stack.imgur.com/Gzopj.png)
javascript - var $1 = document.getElementById("any"); works only after executing it twice in Chrome Dev Tools - Stack Overflow
How to show the result after taking input from input tag (and do some arithmetic operation on it) in the same page in HTML by using JavaScript - Quora
![php - JavaScript validation - document.getElementById not working in Bootstrap modal - Stack Overflow php - JavaScript validation - document.getElementById not working in Bootstrap modal - Stack Overflow](https://i.stack.imgur.com/g04yG.png)