Pen Settings

HTML

CSS

CSS Base

Vendor Prefixing

Add External Stylesheets/Pens

Any URL's added here will be added as <link>s in order, and before the CSS in the editor. You can use the CSS from another Pen by using it's URL and the proper URL extention.

+ add another resource

JavaScript

Babel includes JSX processing.

Add External Scripts/Pens

Any URL's added here will be added as <script>s in order, and run before the JavaScript in the editor. You can use the URL of any other Pen and it will include the JavaScript from that Pen.

+ add another resource

Packages

Add Packages

Search for and use JavaScript packages from npm here. By selecting a package, an import statement will be added to the top of the JavaScript editor for this package.

Behavior

Save Automatically?

If active, Pens will autosave every 30 seconds after being saved once.

Auto-Updating Preview

If enabled, the preview panel updates automatically as you code. If disabled, use the "Run" button to update.

Format on Save

If enabled, your code will be formatted when you actively save your Pen. Note: your code becomes un-folded during formatting.

Editor Settings

Code Indentation

Want to change your Syntax Highlighting theme, Fonts and more?

Visit your global Editor Settings.

HTML

              
                <head>
	<link href="https://fonts.googleapis.com/css2?family=Inter:wght@400;600&display=swap" rel="stylesheet">
	<link rel="stylesheet" href="https://pro.fontawesome.com/releases/v5.10.0/css/all.css" integrity="sha384-AYmEC3Yw5cVb3ZcuHtOA93w35dYTsvhLPVnYs9eStHfGJvOvKxVfELGroGkvsg+p" crossorigin="anonymous"/>
</head>

<body>
	<form id="inputForm">
		<div class="header">
			<div class="header__grid">
				<img class="header__logo" src="https://uploads-ssl.webflow.com/5f6bc60e665f54545a1e52a5/6143750f1177056d60fc52d9_roboflow_logomark_inference.png" alt="Roboflow Inference">
				<div>
					<label class="header__label" for="model">Model Name</label>
					<input class="input" type="text" id="model" />
				</div>
				<div>
					<label class="header__label" for="access_token">Access Token</label>
					<input class="input" type="text" id="access_token" />
				</div>
			</div>	
		</div>
      
		<div class="content">
			<div class="content__grid">
				<div class="col-12-s6-m4" id="method">
					<label class="input__label">Upload Method</label>
					<div>
						<button data-value="upload" id="computerButton" class="bttn left fill active">Upload</button>
						<button data-value="url" id="urlButton" class="bttn right fill">URL</button>
					</div>
				</div>

				<div class="col-12-m8" id="fileSelectionContainer">
					<label class="input__label" for="file">Select File</label>
					<div class="flex">
						<input class="input input--left flex-1" type="text" id="fileName" disabled />							
						<button id="fileMock" class="bttn right active">Browse</button>
					</div>
					<input style="display: none;" type="file" id="file" />
				</div>

				<div class="col-12-m8" id="urlContainer">
					<label class="input__label" for="file">Enter Image URL</label>
					<div class="flex">
						<input type="text" id="url" placeholder="https://path.to/your.jpg" class="input"/><br>
					</div>
				</div>
        
				<div class="col-12-m6">
					<label class="input__label" for="classes">Filter Classes</label>
					<input type="text" id="classes" placeholder="Enter class names" class="input"/><br>
					<span class="text--small">Separate names with commas</span>
				</div>

				<div class="col-6-m3 relative">
					<label class="input__label" for="confidence">Min Confidence</label>
					<div>
						<i class="fas fa-crown"></i>
						<span class="icon">%</span>
						<input type="number" id="confidence" value="50" max="100" accuracy="2" min="0" class="input input__icon"/></div>
					</div>
				<div class="col-6-m3 relative">
					<label class="input__label" for="overlap">Max Overlap</label>
					<div>
						<i class="fas fa-object-ungroup"></i>
						<span class="icon">%</span>
						<input type="number" id="overlap" value="50" max="100" accuracy="2" min="0" class="input input__icon"/></div>
				</div>
				<div class="col-6-m3" id="format">
					<label class="input__label">Inference Result</label>
					<div>
						<button id="imageButton" data-value="image" class="bttn left fill active">Image</button>
						<button id="jsonButton" data-value="json" class="bttn right fill">JSON</button>
					</div>
				</div>
				<div class="col-12 content__grid" id="imageOptions">
					<div class="col-12-s6-m4" id="labels">
						<label class="input__label">Labels</label>
						<div>
							<button class="bttn left active">Off</button>
							<button data-value="on" class="bttn right">On</button>
						</div>
					</div>
					<div class="col-12-s6-m4" id="stroke">
						<label class="input__label">Stroke Width</label>
						<div>
							<button data-value="1" class="bttn left active">1px</button>
							<button data-value="2" class="bttn">2px</button>
							<button data-value="5" class="bttn">5px</button>
							<button data-value="10" class="bttn right">10px</button>
						</div>
					</div>
				</div>
				<div class="col-12">
					<button type="submit" value="Run Inference" class="bttn__primary">Run Inference</button>
				</div>
			</div>
			<div class="result" id="resultContainer">
				<div class="divider"></div>
				<div class="result__header">
					<h3 class="headline">Result</h3>
					<a href="#">Copy Code</a>
				</div>
				<pre id="output" class="codeblock"/> here is your json </pre>
			</div>
		</div>
	</form>
</body>
              
            
!

CSS

              
                body {
  	font-family: 'Inter', sans-serif;
  	color: #666666;
	background-color: #f7fafc;
	font-size: 16px;
	padding-bottom: 5rem;
}

.headline {
	font-size: 1.25rem;
	font-weight: 600;
}

.text--small {
	font-size: 0.875rem;
}

a {
	color: #606FC7;
	font-weight: 600;
}

a:hover {
	color: #434190;
}

i {
	position: absolute;
	padding: 0.75rem;
	color: #606FC7;
}

span.icon {
	position: absolute;
	padding: 0.5rem;
	right: 0;
}

.header {
	background-color: white;
	padding: 1rem;	
	padding-bottom: 2.5rem;
}

.header__grid {
	display: grid;
	grid-template-columns: repeat(1, minmax(0, 1fr));
	grid-template-rows: repeat(3, minmax(0, 1fr));
	gap: 1.5rem;
	max-width: 56rem;
}

.header__logo {
	height: 4rem;
}

.header__label {
	text-transform: uppercase;
	display: block;
	margin-bottom: 0.5rem;
	font-size: 0.875rem;
	font-weight: 600;
	color: #718096;
}

.content {
	padding: 1rem;
	width: 100%;
}

.content__grid {
	display: grid;
	grid-template-columns: repeat(12, minmax(0, 1fr));
	grid-template-rows: repeat(3, minmax(0, 1fr));
	max-width: 56rem;
	column-gap: 1rem;
	row-gap: 2.5rem;
	padding-top: 1rem;
	padding-bottom: 1rem;
}

.flex {
	display: flex;
}

.flex-1 {
	flex: 1 1 0%;
}

.relative {
	position: relative;
}

.col-6-m3 {
	grid-column: span 6 / span 6;
}

.col-12-s6-m4, .col-12-m6, .col-12-m8, .col-12 {
	grid-column: span 12 / span 12;
}

.result {
	max-width: 56rem;
}

.result__header {
	display: flex;
	justify-content: space-between;
	margin-bottom: 1rem;	
}

.divider {
	border-width: 1px;
	border-color: #cbd5e0;
	margin-top: 2.5rem;
	margin-bottom: 2.5rem;
	height: 0;
}

input:disabled {
	background-color: white;
}

.input {
	border-width: 1px;
	border-color: #cbd5e0;
	border-radius: 0.25rem;
	height: 2.5rem;
	width: 100%;
	padding-left: 0.5rem;
	padding-right: 0.5rem;	
}

.input--left {
	border-top-right-radius: 0;
	border-bottom-right-radius: 0;
	margin-right: -1rem;
}

.input__icon {
	padding-left: 2.5rem;
	padding-right: 2.5rem;
}

.input__label {
	margin-bottom: 0.5rem;
	display: block;
}

.bttn {
	padding-top: 0.5rem;
	padding-bottom: 0.5rem;
	padding-left: 0.75rem;
	padding-right: 0.75rem;
	background-color: white;
	border-width: 1px;
	border-color: #cbd5e0;
	margin-right: -0.5rem;
	height: 2.5rem;
}

.bttn.fill {
	width: 50%;
}

.bttn:focus {
	outline: 1px dotted;
}

.bttn:hover {
	background-color: #edf2f7;
}

.left {
	border-top-left-radius: 0.25rem;
	border-bottom-left-radius: 0.25rem;
}

.right {
	border-top-right-radius: 0.25rem;
	border-bottom-right-radius: 0.25rem;
	margin-right: 0;
}

.bttn.active {
	background-color: #606FC7;
	color: white;
	border-width: 1px;
	border-color: #606FC7;
}

.bttn__primary {
	background-color: #606FC7;
	color: white;
	border-width: 1px;
	border-color: #606FC7;
	border-radius: 0.25rem;
	font-size: 1.125rem;
	padding-left: 1.25rem;
	padding-right: 1.25rem;
	padding-top: 0.75rem;
	padding-bottom: 0.75rem;
}

.bttn.active:hover, .bttn__primary:hover {
	background-color: #4c51bf;
}

.codeblock {
	border-width: 1px;
	border-color: #cbd5e0
	border-radius: 0.25rem;
	display: block;
	padding: 0.75rem;
	background-color: white;	
}

#urlContainer {
	display: none;
}

/* small breakpoint */
@media (min-width: 640px) { 
	.header {
		padding: 2.5rem;
	}	
	.header__grid {
		grid-template-columns: repeat(2, minmax(0, 1fr));
		grid-template-rows: repeat(2, minmax(0, 1fr));
	}
	.header__logo {
		grid-column: span 2 / span 2;
	}
	.content {
		padding: 2.5rem;
	}
	.content__grid {
		column-gap: 1rem;
		row-gap: 2.5rem;
	}
	.col-12-s6-m4 {
		grid-column: span 6 / span 6;
	}
}

/* medium breakpoint */
@media (min-width: 768px) {
	.header__grid {
		grid-template-columns: repeat(3, minmax(0, 1fr));
		grid-template-rows: repeat(1, minmax(0, 1fr));
	}
	.header__logo {
		grid-column: span 1 / span 1;
	}
	.col-6-m3 {
		grid-column: span 3 / span 3;
	}
	.col-12-s6-m4 {
		grid-column: span 4 / span 4;	
	}
	.col-12-m6 {
		grid-column: span 6 / span 6;
	}
	.col-12-m8 {
		grid-column: span 8 / span 8;
	}
	.bttn {
		padding-left: 1rem;
		padding-right: 1rem;
	}
}
	
#resultContainer {
	display: none;
}
              
            
!

JS

              
                $(function() {
	retrieveDefaultValuesFromLocalStorage();
	setupButtonListeners();
});

var infer = function() {
	$('#output').html("Inferring...");
	$("#resultContainer").show();
	$('html').scrollTop(100000);

	getSettingsFromForm(function(settings) {
		$.ajax(settings).then(function(response) {
			if(settings.format == "json") {
				var pretty = $('<pre>');
				var formatted = JSON.stringify(response, null, 4)

				pretty.html(formatted);
				$('#output').html("").append(pretty);
				$('html').scrollTop(100000);
			} else {
				var arrayBufferView = new Uint8Array(response);
				var blob = new Blob([arrayBufferView], {
					'type': 'image\/jpeg'
				});
				var base64image = window.URL.createObjectURL(blob);

				var img = $('<img/>');
				img.get(0).onload = function() {
					$('html').scrollTop(100000);
				};
				img.attr('src', base64image);
				$('#output').html("").append(img);
			}
		});
	});
};

var retrieveDefaultValuesFromLocalStorage = function() {
    try {
        var access_token = localStorage.getItem("rf.access_token");
        var model = localStorage.getItem("rf.model");
        var format = localStorage.getItem("rf.format");

        if (access_token) $('#access_token').val(access_token);
        if (model) $('#model').val(model);
        if (format) $('#format').val(format);
    } catch (e) {
        // localStorage disabled
    }

    $('#model').change(function() {
        localStorage.setItem('rf.model', $(this).val());
    });

    $('#access_token').change(function() {
        localStorage.setItem('rf.access_token', $(this).val());
    });

    $('#format').change(function() {
        localStorage.setItem('rf.format', $(this).val());
    });
};

var setupButtonListeners = function() {
	// run inference when the form is submitted
	$('#inputForm').submit(function() {
        infer();
        return false;
    });
	
	// make the buttons blue when clicked
	// and show the proper "Select file" or "Enter url" state
	$('.bttn').click(function() {
		$(this).parent().find('.bttn').removeClass('active');
		$(this).addClass('active');
		
		if($('#computerButton').hasClass('active')) {
			$('#fileSelectionContainer').show();
			$('#urlContainer').hide();
		} else {
			$('#fileSelectionContainer').hide();
			$('#urlContainer').show();
		}
		
		if($('#jsonButton').hasClass('active')) {
			$('#imageOptions').hide();
		} else {
			$('#imageOptions').show();
		}
		
		return false;
	});
	
	// wire styled button to hidden file input
	$('#fileMock').click(function() {
		$('#file').click();
	});
	
	// grab the filename when a file is selected
	$("#file").change(function() {
		var path = $(this).val().replace(/\\/g, "/");
		var parts = path.split("/");
		var filename = parts.pop();
		$('#fileName').val(filename);
	});
};

var getSettingsFromForm = function(cb) {
	var settings = {
		method: "POST",
	};
	
	var parts = [
		"https://infer.roboflow.com/",
		$('#model').val(),
		"?access_token=" + $('#access_token').val()
	];
	
	var classes = $('#classes').val();
	if(classes) parts.push("&classes=" + classes);
	
	var confidence = $('#confidence').val()/100;
	if(confidence) parts.push("&confidence=" + confidence);

	var overlap = $('#overlap').val()/100;
	if(overlap) parts.push("&overlap=" + overlap);
	
	var format = $('#format .active').attr('data-value');
	parts.push("&format=" + format);
	settings.format = format;
	
	if(format == "image") {
		var labels = $('#labels .active').attr('data-value');
		if(labels) parts.push("&labels=on");

		var stroke = $('#stroke .active').attr('data-value');
		if(stroke) parts.push("&stroke=" + stroke);
		
		settings.xhr = function() {
			var override = new XMLHttpRequest();
			override.responseType = 'arraybuffer';
			return override;
		}
	}
	
	var method = $('#method .active').attr('data-value');
	if(method == "upload") {
		var file = $('#file').get(0).files && $('#file').get(0).files.item(0);
		if(!file) return alert("Please select a file.");
		
		getBase64fromFile(file).then(function(base64image) {
			settings.url = parts.join("");
			settings.data = base64image;
			
			console.log(settings);
			cb(settings);
		});
	} else {
		var url = $('#url').val();
		if(!url) return alert("Please enter an image URL");
			
		parts.push("&image=" + encodeURIComponent(url));
		
		settings.url = parts.join("");
		console.log(settings);
		cb(settings);
	}
};

var getBase64fromFile = function(file) {
    return new Promise(function(resolve, reject) {
        var reader = new FileReader();
        reader.readAsDataURL(file);
        reader.onload = function() {
            resolve(reader.result);
        };
        reader.onerror = function(error) {
            reject(error);
        };
    });
};
              
            
!
999px

Console