/**
* Observe how the user enters content into the comment form in order to determine whether it's a bot or not.
*
* Note that no actual input is being saved here, only counts and timings between events.
*/
( function() {
// Passive event listeners are guaranteed to never call e.preventDefault(),
// but they're not supported in all browsers. Use this feature detection
// to determine whether they're available for use.
var supportsPassive = false;
try {
var opts = Object.defineProperty( {}, 'passive', {
get : function() {
supportsPassive = true;
}
} );
window.addEventListener( 'testPassive', null, opts );
window.removeEventListener( 'testPassive', null, opts );
} catch ( e ) {}
function init() {
var input_begin = '';
var keydowns = {};
var lastKeyup = null;
var lastKeydown = null;
var keypresses = [];
var modifierKeys = [];
var correctionKeys = [];
var lastMouseup = null;
var lastMousedown = null;
var mouseclicks = [];
var mousemoveTimer = null;
var lastMousemoveX = null;
var lastMousemoveY = null;
var mousemoveStart = null;
var mousemoves = [];
var touchmoveCountTimer = null;
var touchmoveCount = 0;
var lastTouchEnd = null;
var lastTouchStart = null;
var touchEvents = [];
var scrollCountTimer = null;
var scrollCount = 0;
var correctionKeyCodes = [ 'Backspace', 'Delete', 'ArrowUp', 'ArrowDown', 'ArrowLeft', 'ArrowRight', 'Home', 'End', 'PageUp', 'PageDown' ];
var modifierKeyCodes = [ 'Shift', 'CapsLock' ];
var forms = document.querySelectorAll( 'form[method=post]' );
for ( var i = 0; i < forms.length; i++ ) {
var form = forms[i];
var formAction = form.getAttribute( 'action' );
// Ignore forms that POST directly to other domains; these could be things like payment forms.
if ( formAction ) {
// Check that the form is posting to an external URL, not a path.
if ( formAction.indexOf( 'http://' ) == 0 || formAction.indexOf( 'https://' ) == 0 ) {
if ( formAction.indexOf( 'http://' + window.location.hostname + '/' ) != 0 && formAction.indexOf( 'https://' + window.location.hostname + '/' ) != 0 ) {
continue;
}
}
}
form.addEventListener( 'submit', function () {
var ak_bkp = prepare_timestamp_array_for_request( keypresses );
var ak_bmc = prepare_timestamp_array_for_request( mouseclicks );
var ak_bte = prepare_timestamp_array_for_request( touchEvents );
var ak_bmm = prepare_timestamp_array_for_request( mousemoves );
var input_fields = {
// When did the user begin entering any input?
'bib': input_begin,
// When was the form submitted?
'bfs': Date.now(),
// How many keypresses did they make?
'bkpc': keypresses.length,
// How quickly did they press a sample of keys, and how long between them?
'bkp': ak_bkp,
// How quickly did they click the mouse, and how long between clicks?
'bmc': ak_bmc,
// How many mouseclicks did they make?
'bmcc': mouseclicks.length,
// When did they press modifier keys (like Shift or Capslock)?
'bmk': modifierKeys.join( ';' ),
// When did they correct themselves? e.g., press Backspace, or use the arrow keys to move the cursor back
'bck': correctionKeys.join( ';' ),
// How many times did they move the mouse?
'bmmc': mousemoves.length,
// How many times did they move around using a touchscreen?
'btmc': touchmoveCount,
// How many times did they scroll?
'bsc': scrollCount,
// How quickly did they perform touch events, and how long between them?
'bte': ak_bte,
// How many touch events were there?
'btec' : touchEvents.length,
// How quickly did they move the mouse, and how long between moves?
'bmm' : ak_bmm
};
var akismet_field_prefix = 'ak_';
if ( this.getElementsByClassName ) {
// Check to see if we've used an alternate field name prefix. We store this as an attribute of the container around some of the Akismet fields.
var possible_akismet_containers = this.getElementsByClassName( 'akismet-fields-container' );
for ( var containerIndex = 0; containerIndex < possible_akismet_containers.length; containerIndex++ ) {
var container = possible_akismet_containers.item( containerIndex );
if ( container.getAttribute( 'data-prefix' ) ) {
akismet_field_prefix = container.getAttribute( 'data-prefix' );
break;
}
}
}
for ( var field_name in input_fields ) {
var field = document.createElement( 'input' );
field.setAttribute( 'type', 'hidden' );
field.setAttribute( 'name', akismet_field_prefix + field_name );
field.setAttribute( 'value', input_fields[ field_name ] );
this.appendChild( field );
}
}, supportsPassive ? { passive: true } : false );
form.addEventListener( 'keydown', function ( e ) {
// If you hold a key down, some browsers send multiple keydown events in a row.
// Ignore any keydown events for a key that hasn't come back up yet.
if ( e.key in keydowns ) {
return;
}
var keydownTime = ( new Date() ).getTime();
keydowns[ e.key ] = [ keydownTime ];
if ( ! input_begin ) {
input_begin = keydownTime;
}
// In some situations, we don't want to record an interval since the last keypress -- for example,
// on the first keypress, or on a keypress after focus has changed to another element. Normally,
// we want to record the time between the last keyup and this keydown. But if they press a
// key while already pressing a key, we want to record the time between the two keydowns.
var lastKeyEvent = Math.max( lastKeydown, lastKeyup );
if ( lastKeyEvent ) {
keydowns[ e.key ].push( keydownTime - lastKeyEvent );
}
lastKeydown = keydownTime;
}, supportsPassive ? { passive: true } : false );
form.addEventListener( 'keyup', function ( e ) {
if ( ! ( e.key in keydowns ) ) {
// This key was pressed before this script was loaded, or a mouseclick happened during the keypress, or...
return;
}
var keyupTime = ( new Date() ).getTime();
if ( 'TEXTAREA' === e.target.nodeName || 'INPUT' === e.target.nodeName ) {
if ( -1 !== modifierKeyCodes.indexOf( e.key ) ) {
modifierKeys.push( keypresses.length - 1 );
} else if ( -1 !== correctionKeyCodes.indexOf( e.key ) ) {
correctionKeys.push( keypresses.length - 1 );
} else {
// ^ Don't record timings for keys like Shift or backspace, since they
// typically get held down for longer than regular typing.
var keydownTime = keydowns[ e.key ][0];
var keypress = [];
// Keypress duration.
keypress.push( keyupTime - keydownTime );
// Amount of time between this keypress and the previous keypress.
if ( keydowns[ e.key ].length > 1 ) {
keypress.push( keydowns[ e.key ][1] );
}
keypresses.push( keypress );
}
}
delete keydowns[ e.key ];
lastKeyup = keyupTime;
}, supportsPassive ? { passive: true } : false );
form.addEventListener( "focusin", function ( e ) {
lastKeydown = null;
lastKeyup = null;
keydowns = {};
}, supportsPassive ? { passive: true } : false );
form.addEventListener( "focusout", function ( e ) {
lastKeydown = null;
lastKeyup = null;
keydowns = {};
}, supportsPassive ? { passive: true } : false );
}
document.addEventListener( 'mousedown', function ( e ) {
lastMousedown = ( new Date() ).getTime();
}, supportsPassive ? { passive: true } : false );
document.addEventListener( 'mouseup', function ( e ) {
if ( ! lastMousedown ) {
// If the mousedown happened before this script was loaded, but the mouseup happened after...
return;
}
var now = ( new Date() ).getTime();
var mouseclick = [];
mouseclick.push( now - lastMousedown );
if ( lastMouseup ) {
mouseclick.push( lastMousedown - lastMouseup );
}
mouseclicks.push( mouseclick );
lastMouseup = now;
// If the mouse has been clicked, don't record this time as an interval between keypresses.
lastKeydown = null;
lastKeyup = null;
keydowns = {};
}, supportsPassive ? { passive: true } : false );
document.addEventListener( 'mousemove', function ( e ) {
if ( mousemoveTimer ) {
clearTimeout( mousemoveTimer );
mousemoveTimer = null;
}
else {
mousemoveStart = ( new Date() ).getTime();
lastMousemoveX = e.offsetX;
lastMousemoveY = e.offsetY;
}
mousemoveTimer = setTimeout( function ( theEvent, originalMousemoveStart ) {
var now = ( new Date() ).getTime() - 500; // To account for the timer delay.
var mousemove = [];
mousemove.push( now - originalMousemoveStart );
mousemove.push(
Math.round(
Math.sqrt(
Math.pow( theEvent.offsetX - lastMousemoveX, 2 ) +
Math.pow( theEvent.offsetY - lastMousemoveY, 2 )
)
)
);
if ( mousemove[1] > 0 ) {
// If there was no measurable distance, then it wasn't really a move.
mousemoves.push( mousemove );
}
mousemoveStart = null;
mousemoveTimer = null;
}, 500, e, mousemoveStart );
}, supportsPassive ? { passive: true } : false );
document.addEventListener( 'touchmove', function ( e ) {
if ( touchmoveCountTimer ) {
clearTimeout( touchmoveCountTimer );
}
touchmoveCountTimer = setTimeout( function () {
touchmoveCount++;
}, 500 );
}, supportsPassive ? { passive: true } : false );
document.addEventListener( 'touchstart', function ( e ) {
lastTouchStart = ( new Date() ).getTime();
}, supportsPassive ? { passive: true } : false );
document.addEventListener( 'touchend', function ( e ) {
if ( ! lastTouchStart ) {
// If the touchstart happened before this script was loaded, but the touchend happened after...
return;
}
var now = ( new Date() ).getTime();
var touchEvent = [];
touchEvent.push( now - lastTouchStart );
if ( lastTouchEnd ) {
touchEvent.push( lastTouchStart - lastTouchEnd );
}
touchEvents.push( touchEvent );
lastTouchEnd = now;
// Don't record this time as an interval between keypresses.
lastKeydown = null;
lastKeyup = null;
keydowns = {};
}, supportsPassive ? { passive: true } : false );
document.addEventListener( 'scroll', function ( e ) {
if ( scrollCountTimer ) {
clearTimeout( scrollCountTimer );
}
scrollCountTimer = setTimeout( function () {
scrollCount++;
}, 500 );
}, supportsPassive ? { passive: true } : false );
}
/**
* For the timestamp data that is collected, don't send more than `limit` data points in the request.
* Choose a random slice and send those.
*/
function prepare_timestamp_array_for_request( a, limit ) {
if ( ! limit ) {
limit = 100;
}
var rv = '';
if ( a.length > 0 ) {
var random_starting_point = Math.max( 0, Math.floor( Math.random() * a.length - limit ) );
for ( var i = 0; i < limit && i < a.length; i++ ) {
rv += a[ random_starting_point + i ][0];
if ( a[ random_starting_point + i ].length >= 2 ) {
rv += "," + a[ random_starting_point + i ][1];
}
rv += ";";
}
}
return rv;
}
if ( document.readyState !== 'loading' ) {
init();
} else {
document.addEventListener( 'DOMContentLoaded', init );
}
})();{"id":2830,"date":"2023-07-06T10:47:03","date_gmt":"2023-07-06T03:47:03","guid":{"rendered":"https:\/\/congviennghiatrang.com\/?p=2830"},"modified":"2023-07-06T10:47:03","modified_gmt":"2023-07-06T03:47:03","slug":"nhung-dieu-cam-ky-trong-dam-tang-ma-ai-cung-can-phai-biet","status":"publish","type":"post","link":"https:\/\/congviennghiatrang.com\/nhung-dieu-cam-ky-trong-dam-tang-ma-ai-cung-can-phai-biet\/","title":{"rendered":"Nh\u1eefng \u0111i\u1ec1u c\u1ea5m k\u1ef5 trong \u0111\u00e1m tang m\u00e0 ai c\u0169ng c\u1ea7n ph\u1ea3i bi\u1ebft"},"content":{"rendered":"
Th\u1eddi \u0111i\u1ec3m trong gia quy\u1ebfn c\u00f3 ng\u01b0\u1eddi m\u1ea5t lu\u00f4n l\u00e0 nh\u1eefng gi\u00e2y ph\u00fat \u0111au bu\u1ed3n, m\u1ea5t m\u00e1t nhi\u1ec1u nh\u1ea5t. Th\u1ebf nh\u01b0ng, d\u00f9 c\u00f3 \u0111au bu\u1ed3n, th\u01b0\u01a1ng ti\u1ebfc, th\u00ec ch\u00fang ta v\u1eabn n\u00ean \u0111\u1ec3 \u00fd \u0111\u1ebfn t\u00e2m linh. Tu\u00e2n theo nh\u1eefng \u0111i\u1ec1u c\u1ea5m k\u1ef5 trong \u0111\u00e1m tang \u0111\u1ec3 m\u1ecdi th\u1ee9 \u0111\u01b0\u1ee3c di\u1ec5n ra chu to\u00e0n nh\u1ea5t. T\u1ed5 ch\u1ee9c tang l\u1ec5 tr\u1ecdn v\u1eb9n cho ng\u01b0\u1eddi \u0111\u00e3 m\u1ea5t ch\u00ednh l\u00e0 th\u1ec3 hi\u1ec7n s\u1ef1 th\u00e0nh t\u00e2m, l\u00f2ng k\u00ednh tr\u1ecdng. \u0110\u00e2y ch\u00ednh l\u00e0 vi\u1ec7c ai trong s\u1ed1 ch\u00fang ta c\u0169ng n\u00ean th\u1ef1c hi\u1ec7n. B\u00e0i vi\u1ebft ng\u00e0y h\u00f4m nay, ch\u00fang ta h\u00e3y c\u00f9ng nhau t\u00ecm hi\u1ec3u v\u1ec1 nh\u1eefng \u0111i\u1ec1u c\u1ea7n ph\u1ea3i tr\u00e1nh trong \u0111\u00e1m tang nh\u00e9!<\/p>\n
Nh\u1eefng \u0111i\u1ec1u c\u1ea5m k\u1ef5 trong \u0111\u00e1m tang l\u00e0 g\u00ec?<\/h2>\n
N\u1ebfu nh\u01b0 c\u00e1c b\u1ea1n \u0111\u00e3 t\u1eebng t\u00ecm hi\u1ec3u v\u1ec1 t\u00e2m linh ch\u1eafc ch\u1eafn s\u1ebd bi\u1ebft \u0111\u1ebfn nh\u1eefng \u0111i\u1ec1u n\u00e0y. \u0110i\u1ec1u c\u1ea5m k\u1ef5 trong \u0111\u00e1m tang ch\u00ednh l\u00e0 nh\u1eefng h\u00e0nh \u0111\u1ed9ng s\u1ef1 vi\u1ec7c kh\u00f4ng \u0111\u01b0\u1ee3c ph\u00e9p x\u1ea3y ra trong \u0111\u00e1m tang. \u1ede m\u1ecdi th\u1eddi \u0111i\u1ec3m k\u1ec3 t\u1eeb sau khi ng\u01b0\u1eddi m\u1ea5t ra \u0111i cho \u0111\u1ebfn khi thi h\u00e0i \u0111\u01b0\u1ee3c mai t\u00e1ng. Nh\u1eefng \u0111i\u1ec1u c\u1ea5m k\u1ef5 n\u00e0y th\u01b0\u1eddng \u0111em \u0111\u1ebfn nh\u1eefng \u0111i\u1ec1u x\u1ea5u, kh\u00f4ng t\u1ed1t cho c\u1ea3 ng\u01b0\u1eddi \u0111\u00e3 khu\u1ea5t v\u00e0 ng\u01b0\u1eddi \u1edf l\u1ea1i. Theo quan ni\u1ec7m c\u1ee7a th\u1ebf gi\u1edbi t\u00e2m linh. Con ng\u01b0\u1eddi ch\u00fang ta lu\u00f4n c\u00f3 hai ph\u1ea7n \u0111\u00f3 l\u00e0 th\u1ec3 x\u00e1c v\u00e0 linh h\u1ed3n.<\/p>\n