Date.prototype.JST=function(){this.setTime(this.getTime()+(9*60*60*1000));return this}
これ?いいとおもう。
More than 3 years have passed since last update.
Date.prototype.JST=function(){this.setTime(this.getTime()+(9*60*60*1000));return this}
これ?いいとおもう。
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