diff --git a/packages/playwright-core/src/utils/isomorphic/locatorParser.ts b/packages/playwright-core/src/utils/isomorphic/locatorParser.ts
index 886574e580..d9bbca2f7e 100644
--- a/packages/playwright-core/src/utils/isomorphic/locatorParser.ts
+++ b/packages/playwright-core/src/utils/isomorphic/locatorParser.ts
@@ -220,14 +220,17 @@ export function locatorOrSelectorAsSelector(language: Language, locator: string,
   try {
     const { selector, preferredQuote } = parseLocator(locator, testIdAttributeName);
     const locators = asLocators(language, selector, undefined, undefined, preferredQuote);
-    const digest = digestForComparison(locator);
-    if (locators.some(candidate => digestForComparison(candidate) === digest))
+    const digest = digestForComparison(language, locator);
+    if (locators.some(candidate => digestForComparison(language, candidate) === digest))
       return selector;
   } catch (e) {
   }
   return '';
 }
 
-function digestForComparison(locator: string) {
-  return locator.replace(/\s/g, '').replace(/["`]/g, '\'');
+function digestForComparison(language: Language, locator: string) {
+  locator = locator.replace(/\s/g, '');
+  if (language === 'javascript')
+    locator = locator.replace(/\\?["`]/g, '\'');
+  return locator;
 }
diff --git a/tests/library/locator-generator.spec.ts b/tests/library/locator-generator.spec.ts
index a5731214de..30ee22ef0e 100644
--- a/tests/library/locator-generator.spec.ts
+++ b/tests/library/locator-generator.spec.ts
@@ -539,6 +539,13 @@ it('parseLocator quotes', async () => {
   expect.soft(parseLocator('java', `locator('text="bar"')`, '')).toBe(``);
   expect.soft(parseLocator('csharp', `Locator("text='bar'")`, '')).toBe(`text='bar'`);
   expect.soft(parseLocator('csharp', `Locator('text="bar"')`, '')).toBe(``);
+
+  const mixedQuotes = `
+    locator("[id*=freetext-field]")
+        .locator('input:below(:text("Assigned Number:"))')
+        .locator("visible=true")
+  `;
+  expect.soft(parseLocator('javascript', mixedQuotes, '')).toBe(`[id*=freetext-field] >> input:below(:text("Assigned Number:")) >> visible=true`);
 });
 
 it('parseLocator css', async () => {
@@ -563,7 +570,7 @@ it('parse locators strictly', () => {
 
   // Quotes
   expect.soft(parseLocator('javascript', `locator("div").filter({ hasText: "Goodbye world" }).locator("span")`)).toBe(selector);
-  expect.soft(parseLocator('python', `locator('div').filter(has_text='Goodbye world').locator('span')`)).toBe(selector);
+  expect.soft(parseLocator('python', `locator('div').filter(has_text='Goodbye world').locator('span')`)).not.toBe(selector);
 
   // Whitespace
   expect.soft(parseLocator('csharp', `Locator("div")  .  Filter (new ( ) {  HasText =    "Goodbye world" }).Locator(  "span"   )`)).toBe(selector);