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font-awesomeとjqueryを使用したspinnerの実装。
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/** | |
* スピナーオブジェクト | |
*/ | |
var Spinner = function() { | |
/** | |
* ランダムでIDを生成する | |
*/ | |
this.id = 'spinner' + Math.floor(Math.random () * 10000) + 1; | |
}; | |
Spinner.prototype = { | |
/** | |
* スピナーとなるHTML | |
*/ | |
'html' : '<i class="fa fa-spinner fa-spin"></i>', | |
/** | |
* スピナーを配置 | |
* @param {string} target スピナー設置先 | |
* @param {boolean} [to] append/before/after | |
*/ | |
'spin' : function(target, to) { | |
// 同じオブジェクトでスピナーが生成されていた場合は止める | |
var spinner = '#' + this.id; | |
if($(spinner).length) { | |
this.stop(); | |
} | |
// スピナーHTMLを生成 | |
var spinner = $(this.html).attr('id', this.id).hide(); | |
switch(to) { | |
case 'before': | |
$(target).before(spinner); | |
break; | |
case 'after': | |
$(target).after(spinner); | |
break; | |
case 'html': | |
$(target).html(spinner); | |
break; | |
case 'append': | |
default: | |
$(target).append(spinner); | |
} | |
$(spinner).fadeIn(); | |
}, | |
/** | |
* スピナーを停止 | |
*/ | |
'stop' : function() { | |
$('#' + this.id).remove(); | |
} | |
}; | |
/** Example **/ | |
// 継承して他のspinnerHTMLを入れられる | |
// Spinner.prototype.html = ''; | |
var spinner = new Spinner(); | |
spinner.spin('body', 'append'); | |
spinner.stop(); |
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