JS writes plug-in sharing for Google browser chrome

Many friends are confused when it comes to browser plug-ins. Aren’t plug-ins only used in games? In fact, it is not the case. Today, the editor brings you a browser plug-in written in JS through a small example.

The function implemented by this plug-in is to realize the small function of lottery by brushing the web page floor.

Idea, automatically fill in the content, and then trigger the click event of the button

In the Google console, you can directly enter the js code to execute what you want to execute Action,

According to the above logic, you only need to add a period of timed js to execute the reply task and it will be ok.

The code is as follows

window.setInterval(function(){
window.document.getElementById("textarea").value='我是来参加活动的，我要拿大奖';
window.document.getElementsByName("Submit")[0].click();
},5000);

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