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79 lines
1.6 KiB
HTML
79 lines
1.6 KiB
HTML
<!-- Licensed under a BSD license. See license.html for license -->
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="utf-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=yes">
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<title>Three.js - TabIndex</title>
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<style>
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.spread {
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display: flex;
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font-size: x-small;
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text-align: center;
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}
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canvas {
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margin: 5px;
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background: pink;
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}
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#c3:focus {
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outline: none;
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}
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</style>
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</head>
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<body>
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<div class="spread">
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<div>
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<canvas width="100" height="100" id="c1"></canvas>
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<div>tabindex not set</div>
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</div>
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<div>
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<canvas width="100" height="100" id="c2" tabindex="0"></canvas>
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<div>focus style not set</div>
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</div>
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<div>
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<canvas width="100" height="100" id="c3" tabindex="1"></canvas>
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<div>tabindex and<br/>focus style set</div>
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</div>
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</div>
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</body>
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<script type="module">
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document.querySelectorAll( 'canvas' ).forEach( ( canvas ) => {
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const ctx = canvas.getContext( '2d' );
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function draw( str ) {
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ctx.clearRect( 0, 0, canvas.width, canvas.height );
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ctx.textAlign = 'center';
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ctx.textBaseline = 'middle';
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ctx.fillText( str, canvas.width / 2, canvas.height / 2 );
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}
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draw( canvas.id );
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canvas.addEventListener( 'focus', () => {
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draw( 'has focus press a key' );
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} );
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canvas.addEventListener( 'blur', () => {
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draw( 'lost focus' );
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} );
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canvas.addEventListener( 'keydown', ( e ) => {
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draw( `keyCode: ${e.keyCode}` );
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} );
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} );
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</script>
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</html>
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