Add "silent" option

README.md

@@ -161,6 +161,9 @@ var scroll = new SmoothScroll('a[href*="#"]', {
 	// Custom Events
 	emitEvents: true // Emit custom events
 
+	// Logging & Errors
+	silent: false // if set to true, if the browser does not support necessary features, the library will not work, and no error will be thrown
+
 });
 ```
 
@@ -372,4 +375,4 @@ Most browsers instantly jump you to the anchor location when you load a page. Yo
 
 ## License
 
-The code is available under the [MIT License](LICENSE.md).
+The code is available under the [MIT License](LICENSE.md).

dist/smooth-scroll.js

@@ -41,7 +41,10 @@
 		popstate: true,
 
 		// Custom Events
-		emitEvents: true
+		emitEvents: true,
+
+		// Error Logging
+		silent: false
 	};
 
 
@@ -585,15 +588,24 @@
 		 * @param {Object} options User settings
 		 */
 		smoothScroll.init = function (options) {
-
-			// feature test
-			if (!supports()) throw 'Smooth Scroll: This browser does not support the required JavaScript methods and browser APIs.';
-
 			// Destroy any existing initializations
 			smoothScroll.destroy();
 
-			// Selectors and variables
+			// base settings
 			settings = extend(defaults, options || {}); // Merge user options with defaults
+
+			// feature test
+			if (!supports()) {
+				// if silent is set to true, no error but it won't work in unsupported
+				// browsers
+				if (settings.silent) {
+					return;
+				} else {
+					throw 'Smooth Scroll: This browser does not support the required JavaScript methods and browser APIs.';
+				}
+			}
+
+			// Selectors and variables
 			fixedHeader = settings.header ? document.querySelector(settings.header) : null; // Get the fixed header
 			headerHeight = getHeaderHeight(fixedHeader);
 
@@ -630,4 +642,4 @@
 
 	return SmoothScroll;
 
-}));
+}));

dist/smooth-scroll.polyfills.js

@@ -111,7 +111,10 @@ if (window.Element && !Element.prototype.closest) {
 		popstate: true,
 
 		// Custom Events
-		emitEvents: true
+		emitEvents: true,
+
+		// Error Logging
+		silent: false
 	};
 
 
@@ -655,15 +658,24 @@ if (window.Element && !Element.prototype.closest) {
 		 * @param {Object} options User settings
 		 */
 		smoothScroll.init = function (options) {
-
-			// feature test
-			if (!supports()) throw 'Smooth Scroll: This browser does not support the required JavaScript methods and browser APIs.';
-
 			// Destroy any existing initializations
 			smoothScroll.destroy();
 
-			// Selectors and variables
+			// base settings
 			settings = extend(defaults, options || {}); // Merge user options with defaults
+
+			// feature test
+			if (!supports()) {
+				// if silent is set to true, no error but it won't work in unsupported
+				// browsers
+				if (settings.silent) {
+					return;
+				} else {
+					throw 'Smooth Scroll: This browser does not support the required JavaScript methods and browser APIs.';
+				}
+			}
+
+			// Selectors and variables
 			fixedHeader = settings.header ? document.querySelector(settings.header) : null; // Get the fixed header
 			headerHeight = getHeaderHeight(fixedHeader);
 
@@ -700,4 +712,4 @@ if (window.Element && !Element.prototype.closest) {
 
 	return SmoothScroll;
 
-}));
+}));