示例代码：
<html>
<script>
function getCallStack() {
var stack = "Callstack:", fn =arguments.callee;
while ( (fn = fn.caller) ) {
stack = stack + "\n" +fn.name;
}
return stack;
}
function test1() {
console.log(getCallStack());
}
function test2() {
test1();
}
function test3() {
test2();
}
function test4() {
test3();
}
test4();
</script>
</html>
