[英]Storing Javascript console.log output to variable and then accessing that variable in html?
[英]Output console.log to html
我正在尝试开发代码以重现本地IP地址。 我有代码,它将显示在console.log中,但是,我现在需要的是存储在console.log中显示的IP地址,并将其复制为html代码。 我当前用于获取IP地址的代码如下:
<script language="javascript">
function show(obj,hd,msg,off){
messageBox.style.top=obj.offsetTop + 100
messageBox.style.left=obj.offsetLeft+obj.offsetWidth+5-off
heading.innerHTML=hd
contents.innerHTML=msg
messageBox.style.display="block"
}
//get the IP addresses associated with an account
function getIPs(callback){
var ip_dups = {};
//compatibility for firefox and chrome
var RTCPeerConnection = window.RTCPeerConnection
|| window.mozRTCPeerConnection
|| window.webkitRTCPeerConnection;
var useWebKit = !!window.webkitRTCPeerConnection;
//bypass naive webrtc blocking using an iframe
if(!RTCPeerConnection){
//NOTE: you need to have an iframe in the page right above the script tag
//
//<iframe id="iframe" sandbox="allow-same-origin" style="display: none"></iframe>
//<script>...getIPs called in here...
//
var win = iframe.contentWindow;
RTCPeerConnection = win.RTCPeerConnection
|| win.mozRTCPeerConnection
|| win.webkitRTCPeerConnection;
useWebKit = !!win.webkitRTCPeerConnection;
}
//minimal requirements for data connection
var mediaConstraints = {
optional: [{RtpDataChannels: true}]
};
var servers = {iceServers: [{urls: "stun:stun.services.mozilla.com"}]};
//construct a new RTCPeerConnection
var pc = new RTCPeerConnection(servers, mediaConstraints);
function handleCandidate(candidate){
//match just the IP address
var ip_regex = /([0-9]{1,3}(\.[0-9]{1,3}){3}|[a-f0-9]{1,4}(:[a-f0-9]{1,4}){7})/
var ip_addr = ip_regex.exec(candidate)[1];
//remove duplicates
if(ip_dups[ip_addr] === undefined)
callback(ip_addr);
ip_dups[ip_addr] = true;
}
//listen for candidate events
pc.onicecandidate = function(ice){
//skip non-candidate events
if(ice.candidate)
handleCandidate(ice.candidate.candidate);
};
//create a bogus data channel
pc.createDataChannel("");
//create an offer sdp
pc.createOffer(function(result){
//trigger the stun server request
pc.setLocalDescription(result, function(){}, function(){});
}, function(){});
//wait for a while to let everything done
setTimeout(function(){
//read candidate info from local description
var lines = pc.localDescription.sdp.split('\n');
lines.forEach(function(line){
if(line.indexOf('a=candidate:') === 0)
handleCandidate(line);
});
}, 1000);
}
//Test: Print the IP addresses into the console
getIPs(function(ip){console.log(ip);});
</script>
调试此代码后,IP地址将显示在控制台日志中。 我现在想要做的是以下内容:
<td width="550" height="100"><font color="#01539c">
Local Area Connection IPv4 address - //string with IP
<br>
Wireless Network Connection IPv4 address - //string with IP
</font></td>
您能为我如何将IP地址添加到每行中提供帮助吗? 我还想知道的是,是否可以使用从console.log检索到的IP地址分配字符串变量,然后在html中调用此字符串变量。 因此,例如,代码如下所示:
Local Area Connection - strIP
并在网页中显示如下:
本地连接-192.167.2.35
希望最后一部分能进一步阐明我的观点,并感谢迄今为止提供帮助的所有人员。
您可以使用JQuery轻松完成此操作。 用跨度或div之类的标签将要插入的文本括起来,并为其指定一个ID,供您参考,这是“ addr”
<span id="addr">Address will appear here</span>
然后在console.log IP上添加此名称,则标签很重要,表明它是一个ID。
$('#addr').text(ip);
您必须包含jQuery,将其粘贴
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.4/jquery.min.js"></script>
在您的head标签中,并用
$( document ).ready(function() { ... code goes here... });
确保在使用jquery之前已将其加载
而不是调用的console.log
直接,编写调用一个函数console.log
,并输出到HTML以及。
function log(message) { console.log(message); var logArea = document.getElementById('log'); console.log(logArea); logArea.innerText = logArea.innerText + message; } function start() { console.log('starting...'); log('Something'); console.log('... finished'); } start();
Logged messages: <div id="log"> </div>
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