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Merged
0902young merged 3 commits into from
May 2, 2026
Merged

Improve tests #4

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fb4360b
Update budget.js
0902young May 2, 2026
f6e0938
Update budget.js
0902young May 2, 2026
581c5bb
Merge branch 'master' into improve-tests
0902young May 2, 2026
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20 changes: 18 additions & 2 deletions budget.js
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Original file line number Diff line number Diff line change
Expand Up @@ -240,9 +240,21 @@ function updateUI() {
localStorage.setItem("entry_list", JSON.stringify(ENTRY_LIST));
}

// HELPER FUNC: Escape special HTML characters to prevent XSS attacks
function escapeHTML(str) {
return String(str)
.replace(/&/g, "&")
.replace(/</g, "&lt;")
.replace(/>/g, "&gt;")
.replace(/"/g, "&quot;")
.replace(/'/g, "&#039;");
}

function showEntry(list, type, title, amount, id) {
const safeTitle = escapeHTML(title);
const safeAmount = escapeHTML(amount);
const entry = `<li id="${id}" class="${type}">
<div class="entry">${title} : $${amount}</div>
<div class="entry">${safeTitle} : $${safeAmount}</div>
<div id="edit"></div>
<div id="delete"></div>
</li>`;
Expand Down Expand Up @@ -298,6 +310,7 @@ function inactive(elements) {
element.classList.remove("focus");
});
}

// ── Exports for testing ──
if (typeof module !== "undefined") {
module.exports = {
Expand All @@ -312,11 +325,14 @@ if (typeof module !== "undefined") {
showEntry,
deleteEntry,
editEntry,
escapeHTML,
get ENTRY_LIST() { return ENTRY_LIST; },
set ENTRY_LIST(v) { ENTRY_LIST = v; },
get ENTRY_LIST() {
return ENTRY_LIST;
},
set ENTRY_LIST(v) {
ENTRY_LIST = v;
},
};
}
}
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