/** * 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":1097,"date":"2021-08-20T07:01:42","date_gmt":"2021-08-20T00:01:42","guid":{"rendered":"https:\/\/congviennghiatrang.com\/?p=1097"},"modified":"2021-11-23T21:17:54","modified_gmt":"2021-11-23T14:17:54","slug":"cach-bai-tri-ban-tho-than-tai-tho-dia","status":"publish","type":"post","link":"https:\/\/congviennghiatrang.com\/cach-bai-tri-ban-tho-than-tai-tho-dia\/","title":{"rendered":"C\u00e1ch b\u1ed1 tr\u00ed b\u00e0n th\u1edd Th\u1ea7n T\u00e0i Th\u1ed5 \u0110\u1ecba chu\u1ea9n t\u00e2m linh"},"content":{"rendered":"
Vi\u1ec7c b\u1ed1 tr\u00ed ban th\u1edd Th\u1ea7n t\u00e0i th\u1ed5 \u0111\u1ecba<\/strong> trong c\u00e1c c\u1eeda h\u00e0ng kinh doanh hay c\u00f4ng ty mang l\u1ea1i may m\u1eafn, t\u00e0i l\u1ed9c cho c\u00f4ng vi\u1ec7c kinh doanh c\u1ee7a gia ch\u1ee7, b\u00e0n th\u1edd n\u00e0y lu\u00f4n \u0111\u01b0\u1ee3c coi tr\u1ecdng v\u00e0 c\u00f3 nh\u1eefng quy \u0111\u1ecbnh r\u00f5 r\u00e0ng. V\u1eady c\u00e1ch b\u00e0i tr\u00ed b\u00e0n th\u1edd Th\u1ea7n T\u00e0i Th\u1ed5 \u0110\u1ecba<\/strong> \u0111\u00fang c\u00e1ch \u0111\u1ec3 thu h\u00fat \u0111\u01b0\u1ee3c nhi\u1ec1u t\u00e0i l\u1ed9c nh\u01b0 th\u1ebf n\u00e0o?<\/em><\/p>\n