아래에 폐지를 붙여넣고 줍기 클릭<br/>
<textarea name="textarea_name" rows=20 cols=100 onchange="on_change('textarea')" alt="sdsdsd"></textarea><p/>

<button type="input" onclick="on_click1()">분석</button>
<button type="input" onclick="on_click2()">줍기</button>
<a href="https://order.pay.naver.com/home?tabMenu=POINT_TOTAL"> 줍기결과</a>
<div name="preview">preview</div>

<script>
console.log( "폐지줍줍");
let data = []

function on_change(cwhat) {
	console.log( "on_change = " + cwhat);
}

function on_click1(){
	console.log( "focus");
	let content = document.getElementsByName("textarea_name")[0].value
	//console.log(content)
	content = content.replace(" ", "\n")
	content = content.replace("\n\n", "\n")

	let ele = content.split("\n")
	document.getElementsByName("preview")[0].innerHTML = ""
	let result =""

	data = []

	for (const iterator of ele) {
		if (iterator == "")
			continue

		let url = iterator.trim()
		if (url.substring(0, 4) =="http") {
			data.push(url)
			result += "<a href=\"" + url +"\" >" + url +"</a><br/>"
		}
	}

	console.log(result);
	document.getElementsByName("preview")[0].innerHTML = "count=" + data.length + "<br/>" + result
}
function on_click2(){
	if (data.length < 1) {
		alert("분석하고 줍기")
		return
	}

	for (const iterator of data) {
		window.open(iterator,  '_blank');
	}
}
</script>