Corrected the enableVertexAttribArray typo from the video.

Author: opera-emoller

03-minimal-shader.html

@@ -30,7 +30,7 @@
 		gl.useProgram(program);
 		program.vertexPosAttrib = gl.getAttribLocation(program, 'aVertexPosition');
 		program.offsetUniform = gl.getUniformLocation(program, 'uOffset');
-		gl.enableVertexAttribArray(program.vertexPosArray);
+		gl.enableVertexAttribArray(program.vertexPosAttrib);
 		gl.vertexAttribPointer(program.vertexPosAttrib, vertexPosBuffer.itemSize, gl.FLOAT, false, 0, 0);
 		gl.uniform2f(program.offsetUniform, offset[0], offset[1]);
 		gl.drawArrays(gl.TRIANGLE_STRIP, 0, vertexPosBuffer.numItems);

04-fragmentshader.html

@@ -68,7 +68,7 @@
 		program.canvasSizeUniform = gl.getUniformLocation(program, 'uCanvasSize');
 		program.offsetUniform = gl.getUniformLocation(program, 'uOffset');
 		program.scaleUniform = gl.getUniformLocation(program, 'uScale');
-		gl.enableVertexAttribArray(program.vertexPosArray);
+		gl.enableVertexAttribArray(program.vertexPosAttrib);
 		gl.vertexAttribPointer(program.vertexPosAttrib, vertexPosBuffer.itemSize, gl.FLOAT, false, 0, 0);
 
 		window.onkeydown = function(e) {

05-texturing.html

@@ -29,7 +29,7 @@
 		gl.useProgram(program);
 		program.vertexPosAttrib = gl.getAttribLocation(program, 'aVertexPosition');
 		program.samplerUniform = gl.getUniformLocation(program, 'uSampler');
-		gl.enableVertexAttribArray(program.vertexPosArray);
+		gl.enableVertexAttribArray(program.vertexPosAttrib);
 		gl.vertexAttribPointer(program.vertexPosAttrib, vertexPosBuffer.itemSize, gl.FLOAT, false, 0, 0);
 		var texture = gl.createTexture();
 		var img = new Image();

06-xhr-shaders.html

@@ -12,7 +12,7 @@
 			gl.useProgram(program);
 			program.vertexPosAttrib = gl.getAttribLocation(program, 'aVertexPosition');
 			program.offsetUniform = gl.getUniformLocation(program, 'uOffset');
-			gl.enableVertexAttribArray(program.vertexPosArray);
+			gl.enableVertexAttribArray(program.vertexPosAttrib);
 			gl.vertexAttribPointer(program.vertexPosAttrib, vertexPosBuffer.itemSize, gl.FLOAT, false, 0, 0);
 			gl.uniform2f(program.offsetUniform, offset[0], offset[1]);
 			gl.drawArrays(gl.TRIANGLE_STRIP, 0, vertexPosBuffer.numItems);