I have two example that prevent HTML tags are not allowed in textbox using focusout event of jquery. You can chose any if you think it is best for me. In the first example i use regular expression for prevent html tags in my textarea and in second example i user directly check with html tags. So you can check both and use
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<title>Jquery - HTML Tag are not allowed in textarea</title>
When i was working on my laravel 5 project and i was making backend API, i created successfully but when front-end developer call API which i made. It's return like: "Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at http://learnl52.hd/register. (Reason: CORS header 'Access-Control-Allow-Origin' missing)." and i did try to how to solve this issue. I did also try with jquery and angularjs from backend but result nothing always.
At last i did found how to solve this issue, i made one middleware that allows to Cross-Origin Request in your laravel appli.....