Three.js / WebGL Custom texture shader

shaders.html

                <script type="x-shader/x-vertex" id="vertexshader">
            // switch on high precision floats
            #ifdef GL_ES
            precision highp float;
            #endif

            varying vec2 texcoord;

            void main()
            {
                gl_Position = projectionMatrix * modelViewMatrix * vec4(position,1.0);
                texcoord  = uv;
            }
        </script>
        <script type="x-shader/x-fragment" id="fragmentshader">
            #ifdef GL_ES
            precision highp float;
            #endif

            varying vec2 texcoord;
            uniform sampler2D u_texture;

            void main()
            {
                /* Set color of the fragment */
                gl_FragColor = texture2D(u_texture, texcoord);
                
            }
        </script>

Thanks, this really helped me on a project I am working on.