How i can delete temp files

Dear All
How i can delete temp files
I have JS code but not working on the production environment although on development environment working fine

share your js code.

frappe.ui.form.on(“Sales Invoice Item”, {
qty:function(frm, cdt, cdn){
var d = locals[cdt][cdn];
var total = 0;
frm.doc.items.forEach(function(d) { total += d.amount_before_discount; });
frm.set_value(“total_amount_before_discount”, total);
refresh_field(“total_amount_before_discount”);
},
items_remove:function(frm, cdt, cdn){
var d = locals[cdt][cdn];
var total = 0;
frm.doc.items.forEach(function(d) { total += d.amount_before_discount; });
frm.set_value(“total_amount_before_discount”, total);
refresh_field(“total_amount_before_discount”);
}
});
//////////////////////////////////////////

frappe.ui.form.on(“Sales Invoice Item”, {
rate: function(frm,cdt, cdn){
calculate_total(frm, cdt, cdn);
},
discount_amount: function(frm, cdt, cdn){
calculate_total(frm, cdt, cdn);
}
});
var calculate_total = function(frm, cdt, cdn) {
var child = locals[cdt][cdn];
frappe.model.set_value(cdt, cdn, “unit_price_before_discount”, child.rate + child.discount_amount);
}
cur_frm.refresh_field();
//
frappe.ui.form.on(“Sales Invoice Item”, {
qty: function(frm,cdt, cdn){
calculate_total(frm, cdt, cdn);
},
discount_amount: function(frm, cdt, cdn){
calculate_total(frm, cdt, cdn);
}
});
var calculate_total = function(frm, cdt, cdn) {
var child = locals[cdt][cdn];
frappe.model.set_value(cdt, cdn, “amount_before_discount”, child.unit_price_before_discount * child.qty);
}
cur_frm.refresh_field();

frappe.ui.form.on(“Sales Invoice Item”, {
discount_amount:function(frm, cdt, cdn){
var d = locals[cdt][cdn];
var total = 0;
frm.doc.items.forEach(function(d) { total += d.amount_before_discount; });
frm.set_value(“total_amount_before_discount”, total);
refresh_field(“total_amount_before_discount”);
},
items_remove:function(frm, cdt, cdn){
var d = locals[cdt][cdn];
var total = 0;
frm.doc.items.forEach(function(d) { total += d.amount_before_discount; });
frm.set_value(“total_amount_before_discount”, total);
refresh_field(“total_amount_before_discount”);
}
});

@mainul