js鎬庝箞瀹炵幇寮瑰箷鍔熻兘
js瀹炵幇寮瑰箷鍔熻兘鐨勬柟娉曪細1銆佸垱寤篽tml鏂囦欢锛?銆佹坊鍔爃tml浠ｇ爜鏋舵瀯锛?銆佸湪body鏍囩涓娇鐢╠iv銆乮nput銆乥utton鏍囩鍒嗙粰椤甸潰璁捐鏁堟灉鏄剧ず妗嗐€佽緭鍏ユ銆佸脊骞曟彁浜ゆ寜閽紱4銆佹坊鍔爏cript鏍囩骞跺啓鍏s浠ｇ爜鏉ュ疄鐜板脊骞曟晥鏋滐紱5銆侀€氳繃娴忚鍣ㄦ柟寮忔煡鐪嬭璁℃晥鏋溿€?/p>
鍏蜂綋鎿嶄綔鏂规硶锛?/p>
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2.鍦╤tml鏂囦欢涓坊鍔爃tml浠ｇ爜鏋舵瀯銆?/p>
<!DOCTYPE html><html>
<head>
<meta charset="UTF-8">
<title>寮瑰箷鍔熻兘</title>
</head>
<body>
</body>
</html>
3.鐒跺悗鍦╤tml浠ｇ爜鏋舵瀯涓殑body鏍囩閲岄潰浣跨敤div銆乮nput銆乥utton鏍囩鍒嗗埆缁欓〉闈㈣璁′竴涓晥鏋滄樉绀烘銆佽緭鍏ユ銆佸脊骞曟彁浜ゆ寜閽€?/p>
<div id="box" class="box"></div><input type="text" id="txt" />
<button onclick="send()">鍙戦€佸脊骞?lt;/button>
4.鍦╤tml鏋舵瀯涓殑html鏍囩閲岄潰娣诲姞script鏍囩骞跺啓鍏s浠ｇ爜鏉ュ疄鐜板脊骞曟晥鏋溿€?br/>
<style>function $(str) {
return document.getElementById(str);
}
function send() {
var word = $('txt').value;
var span = document.createElement('span');
var top = parseInt(Math.random() * 500) - 20;
var color1 = parseInt(Math.random() * 256);
var color2 = parseInt(Math.random() * 256);
var color3 = parseInt(Math.random() * 256);
var color = "rgb(" + color1 + "," + color2 + "," + color3 + ")";
top = top < 0 ? 0 : top;
span.style.position = 'absolute';
span.style.top = top + "px";
span.style.color = color;
span.style.left = '500px';
span.style.whiteSpace = 'nowrap';
var nub = (Math.random() * 10) + 1;
span.setAttribute('speed', nub);
span.speed = nub;
span.innerHTML = word;
$('box').appendChild(span);
$('txt').value = "";
}
setInterval(move, 200);
function move() {
var spanArray = $('box').children;
for (var i = 0; i < spanArray.length; i++) {
spanArray[i].style.left = parseInt(spanArray[i].style.left) - spanArray[i].speed + 'px';
}
}
</style>
5.鏈€鍚庡彲閫氳繃娴忚鍣ㄦ柟寮忛槄璇籬tml鏂囦欢鏌ョ湅璁捐鏁堟灉銆?/p>
瀹屾暣绀轰緥浠ｇ爜濡備笅锛?/p>
<!DOCTYPE html><html>
<head>
<meta charset="UTF-8">
<title>寮瑰箷鍔熻兘</title>
</head>
<body>
<div id="box" class="box"></div>
<input type="text" id="txt" />
<button onclick="send()">鍙戦€佸脊骞?lt;/button>
</body>
<script>
function $(str) {
return document.getElementById(str);
}
function send() {
var word = $('txt').value;
var span = document.createElement('span');
var top = parseInt(Math.random() * 500) - 20;
var color1 = parseInt(Math.random() * 256);
var color2 = parseInt(Math.random() * 256);
var color3 = parseInt(Math.random() * 256);
var color = "rgb(" + color1 + "," + color2 + "," + color3 + ")";
top = top < 0 ? 0 : top;
span.style.position = 'absolute';
span.style.top = top + "px";
span.style.color = color;
span.style.left = '500px';
span.style.whiteSpace = 'nowrap';
var nub = (Math.random() * 10) + 1;
span.setAttribute('speed', nub);
span.speed = nub;
span.innerHTML = word;
$('box').appendChild(span);
$('txt').value = "";
}
setInterval(move, 200);
function move() {
var spanArray = $('box').children;
for (var i = 0; i < spanArray.length; i++) {
spanArray[i].style.left = parseInt(spanArray[i].style.left) - spanArray[i].speed + 'px';
}
}
</script>
</html>
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