跨域-Script
2017-01-04 本文已影响8人
duJing
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
</head>
<body>
<script>
/*
* script标签不受同源策略限制
* */
function loadScript(url, fn) {
var head = document.getElementsByTagName('head')[0];
var script = document.createElement('script');
script.src = url;
script.onload = script.onreadystatechange = function () {
if (!this.readyState || this.readyState === 'loaded'
|| this.readyState === 'complete') {
fn();
script.onload = script.onreadystatechange = null;
}
}
head.appendChild(script);
}
// 打印出数据
window.baidu = {
sug: function (data) {
console.log(data);
}
}
// 这是一个接口api，它会返回数据给你
// http://suggestion.baidu.com/su?wd=w
loadScript('http://suggestion.baidu.com/su?wd=w', function () {
console.log('loaded')
});
</script>
</body>
</html>
