Alfred Workflow Sample - Search Wikipedia by DOM Operation

osascript.js

function run(){
	let url = 'https://en.wikipedia.org/wiki/Main_Page'
	let word = "{query}"
	let app = Application("Safari")
	app.includeStandardAdditions = true

	app.activate()
	let tab = loadUrlNewTab(app, url)
	waitPageLoad(app, tab)
	searchWord(app, tab, word)
}

function loadUrlNewTab(app, url){
	let curWin = app.windows[0]
	curWin.tabs.push(app.Tab())
	curWin.currentTab = curWin.tabs[-1]
	curWin.currentTab.url = url
	return curWin.currentTab
}

function waitPageLoad(app, tab){
	ret = false
	do {
		ret = app.doJavaScript(
			"(function(){return document.readyState == 'complete'})()",
			{ in: tab }
		)
		delay(0.2)
	}while(ret==false)
}

function searchWord(app, tab, word){
	app.doJavaScript(
		"(function(){\
			let form = document.getElementById('searchform');\
			let input = document.getElementById('searchInput');\
			input.value = '" + word + "';\
			form.submit();\
		})()",
		{in: tab}
	)
}