diff --git a/index.html b/index.html
index 467825a..7c7ee6f 100644
--- a/index.html
+++ b/index.html
@@ -1,2 +1,2 @@
-hotkeys.js - A robust Javascript library for capturing keyboard input.
+hotkeys.js - A robust Javascript library for capturing keyboard input.
\ No newline at end of file
diff --git a/website.14ae8511.js b/website.1932139d.js
similarity index 98%
rename from website.14ae8511.js
rename to website.1932139d.js
index 9ef5103..395ba65 100644
--- a/website.14ae8511.js
+++ b/website.1932139d.js
@@ -110,9 +110,9 @@ module.exports={0:"�",128:"€",130:"‚",131:"ƒ",132:"„",133:"…",134:"
},{}],"wLUw":[function(require,module,exports) {
"use strict";var e=require("is-alphabetical"),r=require("is-decimal");function i(i){return e(i)||r(i)}module.exports=i;
},{"is-alphabetical":"Ti2c","is-decimal":"FHMH"}],"Kp65":[function(require,module,exports) {
-"use strict";var e;function t(t){var n,r="&"+t+";";return(e=e||document.createElement("i")).innerHTML=r,(";"!==(n=e.textContent).slice(-1)||"semi"===t)&&(n!==r&&n)}module.exports=t;
+"use strict";var e,t=59;function n(n){var r,o="&"+n+";";return(e=e||document.createElement("i")).innerHTML=o,((r=e.textContent).charCodeAt(r.length-1)!==t||"semi"===n)&&(r!==o&&r)}module.exports=n;
},{}],"kMG4":[function(require,module,exports) {
-"use strict";var e=require("character-entities-legacy"),n=require("character-reference-invalid"),t=require("is-decimal"),r=require("is-hexadecimal"),i=require("is-alphanumerical"),a=require("./decode-entity");module.exports=N;var c={}.hasOwnProperty,o=String.fromCharCode,l=Function.prototype,u={warning:null,reference:null,text:null,warningContext:null,referenceContext:null,textContext:null,position:{},additional:null,attribute:!1,nonTerminated:!0},s="named",f="hexadecimal",d="decimal",m={};m[f]=16,m[d]=10;var h={};h[s]=i,h[d]=t,h[f]=r;var p=1,x=2,b=3,g=4,v=5,y=6,C=7,w={};function N(e,n){var t,r,i={};for(r in n||(n={}),u)t=n[r],i[r]=null==t?u[r]:t;return(i.position.indent||i.position.start)&&(i.indent=i.position.indent||[],i.position=i.position.start),q(e,i)}function q(t,r){var u,N,q,k,A,F,I,O,P,S,U,X,z,B,D,E,G,H,J,K=r.additional,L=r.nonTerminated,M=r.text,Q=r.reference,R=r.warning,V=r.textContext,W=r.referenceContext,Y=r.warningContext,Z=r.position,$=r.indent||[],_=t.length,ee=0,ne=-1,te=Z.column||1,re=Z.line||1,ie="",ae=[];for(E=ce(),O=R?function(e,n){var t=ce();t.column+=n,t.offset+=n,R.call(Y,w[e],t,e)}:l,ee--,_++;++ee<_;)if("\n"===A&&(te=$[ne]||1),"&"!==(A=oe(ee)))"\n"===A&&(re++,ne++,te=0),A?(ie+=A,te++):le();else{if("\t"===(I=oe(ee+1))||"\n"===I||"\f"===I||" "===I||"<"===I||"&"===I||""===I||K&&I===K){ie+=A,te++;continue}for(X=z=ee+1,J=z,"#"!==I?B=s:"x"===(I=oe(J=++X))||"X"===I?(B=f,J=++X):B=d,u="",U="",k="",D=h[B],J--;++J<_&&D(I=oe(J));)k+=I,B===s&&c.call(e,k)&&(u=k,U=e[k]);(q=";"===oe(J))&&(J++,(N=B===s&&a(k))&&(u=k,U=N)),H=1+J-z,(q||L)&&(k?B===s?(q&&!U?O(v,1):(u!==k&&(H=1+(J=X+u.length)-X,q=!1),q||(P=u?p:b,r.attribute?"="===(I=oe(J))?(O(P,H),U=null):i(I)?U=null:O(P,H):O(P,H))),F=U):(q||O(x,H),T(F=parseInt(k,m[B]))?(O(C,H),F="�"):F in n?(O(y,H),F=n[F]):(S="",j(F)&&O(y,H),F>65535&&(S+=o((F-=65536)>>>10|55296),F=56320|1023&F),F=S+o(F))):B!==s&&O(g,H)),F?(le(),E=ce(),ee=J-1,te+=J-z+1,ae.push(F),(G=ce()).offset++,Q&&Q.call(W,F,{start:E,end:G},t.slice(z-1,J)),E=G):(k=t.slice(z-1,J),ie+=k,te+=k.length,ee=J-1)}return ae.join("");function ce(){return{line:re,column:te,offset:ee+(Z.offset||0)}}function oe(e){return t.charAt(e)}function le(){ie&&(ae.push(ie),M&&M.call(V,ie,{start:E,end:ce()}),ie="")}}function T(e){return e>=55296&&e<=57343||e>1114111}function j(e){return e>=1&&e<=8||11===e||e>=13&&e<=31||e>=127&&e<=159||e>=64976&&e<=65007||65535==(65535&e)||65534==(65535&e)}w[p]="Named character references must be terminated by a semicolon",w[x]="Numeric character references must be terminated by a semicolon",w[b]="Named character references cannot be empty",w[g]="Numeric character references cannot be empty",w[v]="Named character references must be known",w[y]="Numeric character references cannot be disallowed",w[C]="Numeric character references cannot be outside the permissible Unicode range";
+"use strict";var e=require("character-entities-legacy"),n=require("character-reference-invalid"),t=require("is-decimal"),r=require("is-hexadecimal"),i=require("is-alphanumerical"),a=require("./decode-entity");module.exports=z;var c={}.hasOwnProperty,o=String.fromCharCode,l=Function.prototype,u={warning:null,reference:null,text:null,warningContext:null,referenceContext:null,textContext:null,position:{},additional:null,attribute:!1,nonTerminated:!0},s=9,d=10,f=12,m=32,h=38,p=59,C=60,x=61,b=35,g=88,y=120,v=65533,w="named",A="hexadecimal",N="decimal",q={};q[A]=16,q[N]=10;var T={};T[w]=i,T[N]=t,T[A]=r;var j=1,k=2,F=3,I=4,O=5,P=6,S=7,U={};function z(e,n){var t,r,i={};for(r in n||(n={}),u)t=n[r],i[r]=null==t?u[r]:t;return(i.position.indent||i.position.start)&&(i.indent=i.position.indent||[],i.position=i.position.start),B(e,i)}function B(t,r){var u,z,B,G,H,J,K,L,M,Q,R,V,W,X,Y,Z,$,_,ee,ne=r.additional,te=r.nonTerminated,re=r.text,ie=r.reference,ae=r.warning,ce=r.textContext,oe=r.referenceContext,le=r.warningContext,ue=r.position,se=r.indent||[],de=t.length,fe=0,me=-1,he=ue.column||1,pe=ue.line||1,Ce="",xe=[];for("string"==typeof ne&&(ne=ne.charCodeAt(0)),Z=be(),L=ae?function(e,n){var t=be();t.column+=n,t.offset+=n,ae.call(le,U[e],t,e)}:l,fe--,de++;++fe65535&&(Q+=o((J-=65536)>>>10|55296),J=56320|1023&J),J=Q+o(J))):X!==w&&L(I,_)),J?(ge(),Z=be(),fe=ee-1,he+=ee-W+1,xe.push(J),($=be()).offset++,ie&&ie.call(oe,J,{start:Z,end:$},t.slice(W-1,ee)),Z=$):(G=t.slice(W-1,ee),Ce+=G,he+=G.length,fe=ee-1)}else 10===H&&(pe++,me++,he=0),H==H?(Ce+=o(H),he++):ge();return xe.join("");function be(){return{line:pe,column:he,offset:fe+(ue.offset||0)}}function ge(){Ce&&(xe.push(Ce),re&&re.call(ce,Ce,{start:Z,end:be()}),Ce="")}}function D(e){return e>=55296&&e<=57343||e>1114111}function E(e){return e>=1&&e<=8||11===e||e>=13&&e<=31||e>=127&&e<=159||e>=64976&&e<=65007||65535==(65535&e)||65534==(65535&e)}U[j]="Named character references must be terminated by a semicolon",U[k]="Numeric character references must be terminated by a semicolon",U[F]="Named character references cannot be empty",U[I]="Numeric character references cannot be empty",U[O]="Named character references must be known",U[P]="Numeric character references cannot be disallowed",U[S]="Numeric character references cannot be outside the permissible Unicode range";
},{"character-entities-legacy":"vHdG","character-reference-invalid":"o7El","is-decimal":"FHMH","is-hexadecimal":"I1aI","is-alphanumerical":"wLUw","./decode-entity":"Kp65"}],"F7Ju":[function(require,module,exports) {
"use strict";var e=require("xtend"),n=require("parse-entities");function t(t){return o.raw=function(t,o,u){return n(t,e(u,{position:r(o),warning:i}))},o;function r(e){for(var n=t.offset,r=e.line,i=[];++r&&r in n;)i.push((n[r]||0)+1);return{start:e,indent:i}}function i(e,n,r){3!==r&&t.file.message(e,n)}function o(e,o,u){n(e,{position:r(o),warning:i,text:u,reference:u,textContext:t,referenceContext:t})}}module.exports=t;
},{"xtend":"K5Tb","parse-entities":"kMG4"}],"NMdN":[function(require,module,exports) {
@@ -125,11 +125,11 @@ module.exports=["address","article","aside","base","basefont","blockquote","body
"use strict";module.exports={position:!0,gfm:!0,commonmark:!1,footnotes:!1,pedantic:!1,blocks:require("./block-elements.json")};
},{"./block-elements.json":"a5rW"}],"wCWP":[function(require,module,exports) {
"use strict";var e=require("xtend"),o=require("markdown-escapes"),t=require("./defaults");function r(r){var i,s,n=this.options;if(null==r)r={};else{if("object"!=typeof r)throw new Error("Invalid value `"+r+"` for setting `options`");r=e(r)}for(i in t){if(null==(s=r[i])&&(s=n[i]),"blocks"!==i&&"boolean"!=typeof s||"blocks"===i&&"object"!=typeof s)throw new Error("Invalid value `"+s+"` for setting `options."+i+"`");r[i]=s}return this.options=r,this.escape=o(r),this}module.exports=r;
-},{"xtend":"K5Tb","markdown-escapes":"Kuse","./defaults":"Ezgx"}],"xf6H":[function(require,module,exports) {
-"use strict";function n(t,e,o,i,u){var f=null!=i,c=null!=o,l=r(t);if(c&&("number"!=typeof o||o<0||o===1/0))throw new Error("Expected positive finite index or child node");if(f&&(!n(null,i)||!i.children))throw new Error("Expected parent node");if(!e||!e.type||"string"!=typeof e.type)return!1;if(f!==c)throw new Error("Expected both parent and index");return Boolean(l.call(u,e,o,i))}function r(n){if("string"==typeof n)return i(n);if(null==n)return u;if("object"==typeof n)return("length"in n?o:e)(n);if("function"==typeof n)return n;throw new Error("Expected function, string, or object as test")}function t(n){for(var t=[],e=n.length,o=-1;++o-1&&c-1&&o$/i,r=/^<(\/?)([a-z]+)\s*>$/;function t(n,e){for(var i=n.length;i--;)if(n[i].tag===e)return n.splice(i,1)[0];return!1}function a(n,e){var i=n.value.match(r);return!!i&&{tag:i[2],opening:!i[1],node:n}}function o(n){var e=n.value.match(i);return!!e&&e[1]}function u(n,i,r){var t=r.children.indexOf(n.node),a=r.children.indexOf(i.node),o=r.children.splice(t,a-t+1).slice(1,-1);return{type:e,children:o,tag:n.tag,position:{start:n.node.position.start,end:i.node.position.end,indent:[]}}}module.exports=function(i){var r=void 0,c=void 0;return n(i,"html",function(n,i,s){c!==s&&(r=[],c=s);var l=o(n);if(l)return s.children.splice(i,1,{type:e,tag:l,position:n.position}),!0;var d=a(n,s);if(!d)return!0;var p=t(r,d.tag);return p?s.children.splice(i,0,u(d,p,s)):d.opening||r.push(d),!0},!0),i};
+"use strict";var n=require("unist-util-visit"),e="virtualHtml",r=/^<(area|base|br|col|embed|hr|img|input|keygen|link|meta|param|source|track|wbr)\s*\/?>$/i,t=/^<(\/?)([a-z]+)\s*>$/;function i(n,e){for(var r=n.length;r--;)if(n[r].tag===e)return n.splice(r,1)[0];return!1}function a(n,e){var r=n.value.match(t);return!!r&&{tag:r[2],opening:!r[1],node:n}}function o(n){var e=n.value.match(r);return!!e&&e[1]}function u(n,r,t){var i=t.children.indexOf(n.node),a=t.children.indexOf(r.node),o=t.children.splice(i,a-i+1).slice(1,-1);return{type:e,children:o,tag:n.tag,position:{start:n.node.position.start,end:r.node.position.end,indent:[]}}}module.exports=function(r){var t,c;return n(r,"html",function(n,r,s){c!==s&&(t=[],c=s);var l=o(n);if(l)return s.children.splice(r,1,{type:e,tag:l,position:n.position}),!0;var d=a(n,s);if(!d)return!0;var p=i(t,d.tag);return p?s.children.splice(r,0,u(d,p,s)):d.opening||t.push(d),!0},!0),r};
},{"unist-util-visit":"nOAO"}],"YI30":[function(require,module,exports) {
"use strict";var n=require("unist-util-visit");function r(n,r,t,i){if("remove"===i)t.children.splice(r,1);else if("unwrap"===i){var e=[r,1];n.children&&(e=e.concat(n.children)),Array.prototype.splice.apply(t.children,e)}}exports.ofType=function(t,i){return function(r){return t.forEach(function(t){return n(r,t,e,!0)}),r};function e(n,t,e){e&&r(n,t,e,i)}},exports.ifNotMatch=function(t,i){return function(r){return n(r,e,!0),r};function e(n,e,c){c&&!t(n,e,c)&&r(n,e,c,i)}};
-},{"unist-util-visit":"nOAO"}],"LwJQ":[function(require,module,exports) {
-"use strict";var e=require("react"),r=require("xtend");function t(r,a){var l=arguments.length>2&&void 0!==arguments[2]?arguments[2]:{},o=arguments.length>3&&void 0!==arguments[3]?arguments[3]:0,d=a.renderers[r.type],s=r.position.start,c=[r.type,s.line,s.column].join("-");if("text"===r.type)return d?d(r.value,c):r.value;if("function"!=typeof d&&"string"!=typeof d&&!i(d))throw new Error("Renderer for type `"+r.type+"` not defined or is not renderable");var u=n(r,c,a,d,l,o);return e.createElement(d,u,u.children||r.children&&r.children.map(function(e,i){return t(e,a,{node:r,props:u},i)})||void 0)}function i(r){return e.Fragment&&e.Fragment===r}function n(e,i,n,d,s,c){var u={key:i},f="string"==typeof d;n.sourcePos&&e.position&&(u["data-sourcepos"]=l(e.position)),n.rawSourcePos&&!f&&(u.sourcePosition=e.position),n.includeNodeIndex&&s.node&&s.node.children&&!f&&(u.index=s.node.children.indexOf(e),u.parentChildCount=s.node.children.length);var p=null!==e.identifier&&void 0!==e.identifier?n.definitions[e.identifier]||{}:null;switch(e.type){case"root":a(u,{className:n.className});break;case"heading":u.level=e.depth;break;case"list":u.start=e.start,u.ordered=e.ordered,u.tight=!e.loose,u.depth=e.depth;break;case"listItem":u.checked=e.checked,u.tight=!e.loose,u.ordered=e.ordered,u.index=e.index,u.children=(u.tight?o(e):e.children).map(function(r,i){return t(r,n,{node:e,props:u},i)});break;case"definition":a(u,{identifier:e.identifier,title:e.title,url:e.url});break;case"code":a(u,{language:e.lang&&e.lang.split(/\s/,1)[0]});break;case"inlineCode":u.children=e.value,u.inline=!0;break;case"link":a(u,{title:e.title||void 0,target:"function"==typeof n.linkTarget?n.linkTarget(e.url,e.children,e.title):n.linkTarget,href:n.transformLinkUri?n.transformLinkUri(e.url,e.children,e.title):e.url});break;case"image":a(u,{alt:e.alt||void 0,title:e.title||void 0,src:n.transformImageUri?n.transformImageUri(e.url,e.children,e.title,e.alt):e.url});break;case"linkReference":a(u,r(p,{href:n.transformLinkUri?n.transformLinkUri(p.href):p.href}));break;case"imageReference":a(u,{src:n.transformImageUri&&p.href?n.transformImageUri(p.href,e.children,p.title,e.alt):p.href,title:p.title||void 0,alt:e.alt||void 0});break;case"table":case"tableHead":case"tableBody":u.columnAlignment=e.align;break;case"tableRow":u.isHeader="tableHead"===s.node.type,u.columnAlignment=s.props.columnAlignment;break;case"tableCell":a(u,{isHeader:s.props.isHeader,align:s.props.columnAlignment[c]});break;case"virtualHtml":u.tag=e.tag;break;case"html":u.isBlock=e.position.start.line!==e.position.end.line,u.escapeHtml=n.escapeHtml,u.skipHtml=n.skipHtml;break;default:a(u,r(e,{type:void 0,position:void 0,children:void 0}))}return!f&&e.value&&(u.value=e.value),u}function a(e,r){for(var t in r)void 0!==r[t]&&(e[t]=r[t])}function l(e){return[e.start.line,":",e.start.column,"-",e.end.line,":",e.end.column].map(String).join("")}function o(e){return e.children.reduce(function(e,r){return e.concat("paragraph"===r.type?r.children||[]:[r])},[])}module.exports=t;
-},{"react":"n8MK","xtend":"K5Tb"}],"q2HV":[function(require,module,exports) {
+},{"unist-util-visit":"nOAO"}],"RsE0":[function(require,module,exports) {
+"use strict";Object.defineProperty(exports,"__esModule",{value:!0});var e="function"==typeof Symbol&&Symbol.for,t=e?Symbol.for("react.element"):60103,r=e?Symbol.for("react.portal"):60106,o=e?Symbol.for("react.fragment"):60107,n=e?Symbol.for("react.strict_mode"):60108,s=e?Symbol.for("react.profiler"):60114,c=e?Symbol.for("react.provider"):60109,f=e?Symbol.for("react.context"):60110,p=e?Symbol.for("react.async_mode"):60111,u=e?Symbol.for("react.concurrent_mode"):60111,i=e?Symbol.for("react.forward_ref"):60112,a=e?Symbol.for("react.suspense"):60113,y=e?Symbol.for("react.memo"):60115,l=e?Symbol.for("react.lazy"):60116;function x(e){if("object"==typeof e&&null!==e){var x=e.$$typeof;switch(x){case t:switch(e=e.type){case p:case u:case o:case s:case n:case a:return e;default:switch(e=e&&e.$$typeof){case f:case i:case c:return e;default:return x}}case l:case y:case r:return x}}}function m(e){return x(e)===u}exports.typeOf=x,exports.AsyncMode=p,exports.ConcurrentMode=u,exports.ContextConsumer=f,exports.ContextProvider=c,exports.Element=t,exports.ForwardRef=i,exports.Fragment=o,exports.Lazy=l,exports.Memo=y,exports.Portal=r,exports.Profiler=s,exports.StrictMode=n,exports.Suspense=a,exports.isValidElementType=function(e){return"string"==typeof e||"function"==typeof e||e===o||e===u||e===s||e===n||e===a||"object"==typeof e&&null!==e&&(e.$$typeof===l||e.$$typeof===y||e.$$typeof===c||e.$$typeof===f||e.$$typeof===i)},exports.isAsyncMode=function(e){return m(e)||x(e)===p},exports.isConcurrentMode=m,exports.isContextConsumer=function(e){return x(e)===f},exports.isContextProvider=function(e){return x(e)===c},exports.isElement=function(e){return"object"==typeof e&&null!==e&&e.$$typeof===t},exports.isForwardRef=function(e){return x(e)===i},exports.isFragment=function(e){return x(e)===o},exports.isLazy=function(e){return x(e)===l},exports.isMemo=function(e){return x(e)===y},exports.isPortal=function(e){return x(e)===r},exports.isProfiler=function(e){return x(e)===s},exports.isStrictMode=function(e){return x(e)===n},exports.isSuspense=function(e){return x(e)===a};
+},{}],"H1RQ":[function(require,module,exports) {
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It has no dependencies. Try to press your keyboard, The following button will highlight.")),u.default.createElement(i.default,{onMouseDown:this.onKeyBoardMouseDown.bind(this),onMouseUp:this.onKeyBoardMouseUp.bind(this),keyCode:this.state.keyCode}),u.default.createElement(c.default,{source:t}),u.default.createElement(f.default,{source:[{href:"https://github.com/jaywcjlove/hotkeys/stargazers",img:"https://img.shields.io/github/stars/jaywcjlove/hotkeys.svg"},{href:"https://github.com/jaywcjlove/hotkeys/network",img:"https://img.shields.io/github/forks/jaywcjlove/hotkeys.svg"},{href:"https://github.com/jaywcjlove/hotkeys/watchers",img:"https://img.shields.io/github/watchers/jaywcjlove/hotkeys.svg?label=Watch"},{href:"https://github.com/jaywcjlove/followers",img:"https://img.shields.io/github/followers/jaywcjlove.svg"},{href:"https://gitee.com/jaywcjlove/hotkeys",img:"https://jaywcjlove.github.io/sb/ico/gitee.svg"}]}),u.default.createElement(s.default,{name:"Kenny Wong",href:"http://jaywcjlove.github.io",year:"2015-present"}))}}]),m}(u.Component);exports.default=j;
},{"@babel/runtime/helpers/classCallCheck":"fcMS","@babel/runtime/helpers/createClass":"P8NW","@babel/runtime/helpers/assertThisInitialized":"E7HD","@babel/runtime/helpers/possibleConstructorReturn":"pxk2","@babel/runtime/helpers/getPrototypeOf":"UJE0","@babel/runtime/helpers/inherits":"d4H2","react":"n8MK","@uiw/react-github-corners":"Mgm0","./components/KeyBoard":"Y40V","./components/Footer":"fZmu","./components/Markdown":"szaN","./components/GithubShields":"n1B7","./styles/index.less":"rzuK","../README.md":"OviO","../dist/hotkeys.common":"yNIz","../package.json":"EHrm"}],"f9Gk":[function(require,module,exports) {