https://blog.csdn.net/w1101662433/article/details/140098816
<!DOCTYPE html>
<html>
<head>
<title>Detect Chrome DevTools Protocol</title>
<script>
function genNum(e) {
return 1000 * e.Math.random() | 0;
}
function catchCDP(e) {
if (e.chrome) {
var rng1 = 0;
var rng2 = 1;
var acc = rng1;
var result = false;
try {
var errObj = new e.Error();
var propertyDesc = {
configurable: false,
enumerable: false,
get: function () {
acc += rng2;
return '';
}
};
Object.defineProperty(errObj, "stack", propertyDesc);
console.debug(errObj);
errObj.stack;
if (rng1 + rng2 != acc) {
result = true;
}
} catch {
}
return result;
}
}
function isCDPOn() {
if(!window)
return;
const el = document.querySelector('span#status');
if(!el)
return;
el.innerText = catchCDP(window) ? "yes":"no";
}
function init() {
isCDPOn();
setInterval(isCDPOn, 100);
}
document.addEventListener("DOMContentLoaded", init);
</script>
</head>
<body>
<p>CDP Detected: <span id="status">-</span></p>
</body>
</html>
标签：function,el,return,检测,errObj,var,f12,false,打开 From： https://www.cnblogs.com/angdh/p/18343456