diff --git a/js/src/tooltip.ts b/js/src/tooltip.ts
index ec327e74b3ab..98bc6c81f38b 100644
--- a/js/src/tooltip.ts
+++ b/js/src/tooltip.ts
@@ -933,6 +933,14 @@ class Tooltip extends BaseComponent {
       }
     }
 
+    if (this._element.getAttribute('data-bs-title') !== null) {
+      dataAttributes.title = this._element.getAttribute('data-bs-title')
+    }
+
+    if (this._element.getAttribute('data-bs-content') !== null) {
+      dataAttributes.content = this._element.getAttribute('data-bs-content')
+    }
+
     config = {
       ...dataAttributes,
       ...(typeof config === 'object' && config ? config : {})
@@ -961,11 +969,15 @@ class Tooltip extends BaseComponent {
     // Coerce number/boolean title and content to strings. `data-bs-title="true"`
     // / `data-bs-content="false"` are auto-converted to booleans by the data-API,
     // which would otherwise fail the (null|string|element|function) type check.
-    if (typeof config.title === 'number' || typeof config.title === 'boolean') {
+    if (config.title === null) {
+      config.title = ''
+    } else if (typeof config.title === 'number' || typeof config.title === 'boolean') {
       config.title = config.title.toString()
     }
 
-    if (typeof config.content === 'number' || typeof config.content === 'boolean') {
+    if (config.content === null) {
+      config.content = ''
+    } else if (typeof config.content === 'number' || typeof config.content === 'boolean') {
       config.content = config.content.toString()
     }
 
diff --git a/js/tests/unit/tooltip.spec.js b/js/tests/unit/tooltip.spec.js
index b37f7fb274da..eb039bbdd3e3 100644
--- a/js/tests/unit/tooltip.spec.js
+++ b/js/tests/unit/tooltip.spec.js
@@ -100,6 +100,16 @@ describe('Tooltip', () => {
       expect(tooltip._config.content).toEqual('false')
     })
 
+    it('should preserve raw strings without reformatting numbers or throwing on empty title/content', () => {
+      fixtureEl.innerHTML = '<a href="#" rel="tooltip" data-bs-title="9.90" data-bs-content=""></a>'
+
+      const tooltipEl = fixtureEl.querySelector('a')
+      const tooltip = new Tooltip(tooltipEl)
+
+      expect(tooltip._config.title).toEqual('9.90')
+      expect(tooltip._config.content).toEqual('')
+    })
+
     it('should enable selector delegation', () => {
       return new Promise(resolve => {
         fixtureEl.innerHTML = '<div></div>'