Method asin

rhino/src/main/java/org/mozilla/javascript/NativeMath.java:120–129

(
            Context cx, JSFunction f, Object nt, VarScope s, Object thisObj, Object[] args)

    }

    private static Object asin(
            Context cx, JSFunction f, Object nt, VarScope s, Object thisObj, Object[] args) {
        double x = ScriptRuntime.toNumber(args, 0);
        if (!Double.isNaN(x) && -1.0 <= x && x <= 1.0) {
            x = Math.asin(x);
        } else {
            x = Double.NaN;
        }
        return ScriptRuntime.wrapNumber(x);
    }

    private static Object asinh(
            Context cx, JSFunction f, Object nt, VarScope s, Object thisObj, Object[] args) {