Js web page save as implementation code

function runCode(obj) {
var winname = ('', "_blank", '');
('text/html', 'replace');
= null // Prevent the code from modifying the parent page
();
();
}
function saveCode(obj) {
var winname = ('', '_blank', 'top=10000');
('text/html', 'replace');
();
('saveas','','');
();
}

function oCopy(obj){
();
js=();
("Copy");
alert("I prompt: the code has been copied successfully!");
}