Tutorial by Topics: detect

Browsers, as they have evolved, offered more features to Javascript. But often these features are not available in all browsers. Sometimes they may be available in one browser, but yet to be released on other browsers. Other times, these features are implemented differently by different browsers. Browser detection becomes important to ensure that the application you develop runs smoothly across different browsers and devices.

When you try to set a value of an item at a particular index of an array initialized in the data option, vue can't detect the change and does not trigger an update to the state. In order to overcome this caveat you should either use vue's Vue.$set or use Array.prototype.splice method

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