window.onload = function(){
??????? document.getElementById(‘username‘).onblur = function(){
?????????? var name = document.getElementById(‘username‘).value;
?????????? name = encodeURIComponent(name); // 编码
?????????? var request = new XmlHttpRequest();
?????????? request.open(‘get‘, ‘demo.php?name=‘+name);
?????????? request.onreadystatechange = function(){
?????????????? if (request.readystate == 4 && request.status == 200) {
????????????????????? var str = request.responseText();
????????????????????? alert(str);
?????????????? }
?????????? }
??????? }
}
ajax的get请求与编码
原文地址：https://www.cnblogs.com/wangshengl9263/p/9029645.html