[Nexus]

var p = `<p><span style="\\\\\\\\\\\\\\\&quot;color:" #3366ff;\\\\\\\\\\\\\\\"=""><span style="\\\\\\\\\\\\\\\&quot;color:" #3366ff;\\\\\\\\\\\\\\\"="">ONLINE Adobe</span></span></p>`;
var r = `<p><span style="color:" #3366ff;"=""><span style="color:" #3366ff;"="">ONLINE Adobe</span></span></p>`;

console.log(p.replace(/\\|&quot;/g,'') === r);