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happy.js
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happy.js
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;(function($) {
$.fn.letterDrop = function() {
// Chainability
return this.each( function() {
var obj = $( this );
var drop = {
arr : obj.text().split( '' ),
range : {
min : 1,
max : 9
},
styles : function() {
var dropDelays = '\n', addCSS;
for ( i = this.range.min; i <= this.range.max; i++ ) {
dropDelays += '.ld' + i + ' { animation-delay: 1.' + i + 's; }\n';
}
addCSS = $( '<style>' + dropDelays + '</style>' );
$( 'head' ).append( addCSS );
},
main : function() {
var dp = 0;
obj.text( '' );
$.each( this.arr, function( index, value ) {
dp = dp.randomInt( drop.range.min, drop.range.max );
if ( value === ' ' )
value = ' '; //Add spaces
obj.append( '<span class="letterDrop ld' + dp + '">' + value + '</span>' );
});
}
};
Number.prototype.randomInt = function ( min, max ) {
return Math.floor( Math.random() * ( max - min + 1 ) + min );
};
// Create styles
drop.styles();
// Initialise
drop.main();
});
};
}(jQuery));
// USAGE
$( 'h1' ).letterDrop();