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Instagram Fix Arrow Keys

Fixes arrow keys function in stories reply box. Without the fix pressing any arrow key erases the whole reply.

当前为 2021-08-03 提交的版本，查看 最新版本。

// ==UserScript==
// @name        Instagram Fix Arrow Keys
// @namespace   GrayFace
// @description Fixes arrow keys function in stories reply box. Without the fix pressing any arrow key erases the whole reply.
// @include     https://www.instagram.com/*
// @include     http://www.instagram.com/*
// @version     1.0
// @grant       none
// ==/UserScript==

var tags = ['TEXTAREA', 'INPUT'];
var keycodes = [37, 38, 39, 40];

let f = function(e) {
	if (keycodes.indexOf(e.keyCode) != -1 && tags.indexOf(document.activeElement.tagName) != -1) {
		e.stopImmediatePropagation();
	}
	return false;
};
document.addEventListener('keydown', f, true);
document.addEventListener('keyup', f, true);