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button click should only change the clicked item but it's changing all the items Angular 4 - Stack Overflow
![javascript - onclick change border colour of a html header permanently until another is clicked - Stack Overflow javascript - onclick change border colour of a html header permanently until another is clicked - Stack Overflow](https://i.stack.imgur.com/AZ8hf.png)
javascript - onclick change border colour of a html header permanently until another is clicked - Stack Overflow
Change cell template of a grid onclick of button or on any other event. · Issue #3005 · angular-ui/ui-grid · GitHub
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