我想做一个每秒钟弹窗一次。
window.onload = function(){
var 弹窗 = new 方法("Hello World!");
弹窗.alert();
}
function 方法(msg) {
this.msg = msg;
this.alert = function () {
alert(this.msg);
setTimeout("this.alert()",1000); }
}
大家看一下我哪里错了。
[解决办法]
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>Insert title here</title><script type="text/javascript">function Messager(msg) { this.msg = msg;}Messager.prototype.alert = function() { alert(this.msg); var fn = null; if (this.alert.bind) { fn = this.alert.bind(this); } else { var targetThis = this; fn = function() { targetThis.alert.apply(targetThis, arguments); }; } setTimeout(fn, 1000);};window.onload = function() { new Messager("Hello").alert(); }</script></head><body></body></html>
[解决办法]
改一行代码：
setTimeout("window.onload()",1000);