HOOK大法

// 请求头hook 测试网站同花顺 OK

var header_old = window.XMLHttpRequest.prototype.setRequestHeader;
window.XMLHttpRequest.prototype.setRequestHeader = function (key, value) {
if (key=='k'){
console.log(key, value)
debugger;
}
if (key=='token'){
console.log(key, value)
debugger;
}
debugger;
return header_old.apply(this, arguments);
}