WordPress/wp-admin/js/about.js

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JavaScript
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(function($){
var password = 'Gosh, WordPress is grand.',
$input = $('#pass'),
shouldAnimate = true,
timesForAnimation = [280, 300, 305, 310, 315, 325, 330, 345, 360, 370, 380, 400, 450, 500, 600],
resultsCache = {},
indicatorString = $('#pass-strength-result').text();
function updateResult(){
var strength;
if ( typeof( resultsCache[ $input.val() ]) === 'undefined') {
strength = wp.passwordStrength.meter($input.val(), [], $input.val());
resultsCache[ $input.val() ] = strength;
} else {
strength = resultsCache[ $input.val() ];
}
$('#pass-strength-result').removeClass('short bad good strong');
switch ( strength ) {
case 2:
$('#pass-strength-result').addClass('bad').html( pwsL10n['bad'] );
break;
case 3:
$('#pass-strength-result').addClass('good').html( pwsL10n['good'] );
break;
case 4:
$('#pass-strength-result').addClass('strong').html( pwsL10n['strong'] );
break;
default:
$('#pass-strength-result').addClass('short').html( pwsL10n['short'] );
}
}
function resetMeter(){
$input.val('');
$('#pass-strength-result').text(indicatorString);
$('#pass-strength-result').removeClass('short bad good strong');
}
function animate(){
if (shouldAnimate === false)
return;
if ($input.val().length < password.length){
$input.val( password.substr(0, $input.val().length + 1) );
updateResult();
// Look like real typing by changing the speed new letters are added each time
setTimeout( animate, ( timesForAnimation[ Math.floor( Math.random() * timesForAnimation.length ) ] ) );
} else {
resetMeter();
// When we reset, let's wait a bit longer than normal to start again
setTimeout(animate, 700);
}
}
function begin(){
// we async load zxcvbn, so we need to make sure it's loaded before starting
if (typeof(zxcvbn) !== 'undefined')
animate();
else
setTimeout(begin,800);
}
// Turn off the animation on focus
$input.on('focus', function(){
shouldAnimate = false;
resetMeter();
});
// Act like a normal password strength meter
$input.on('keyup', function(){
updateResult();
});
// Start the animation
begin();
})(jQuery);