js to get the week, get the day of the week according to the date string, get the week from the date, and get the week from the time

js to get the week, get the day of the week according to the date string, get the week from the date, and get the week from the time

 

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>.

Sweet Potato Yao December 30, 2016 08:47:38 Friday

http://fanshuyao.iteye.com/

 

 

 

/**
 * Is it Null
 * @param object
 * @returns {Boolean}
 */  
function isNull(object){  
    if(object == null || typeof object == "undefined"){  
        return true;  
    }  
    return false;  
};

 

/**
 * Get the day of the week from the date string
 * @param dateString date string (eg: 2016-12-29), if it is empty, it is the current date of the user's computer
 * @returns {String}
 */
function getWeek(dateString){
	var date;
	if(isNull(dateString)){
		date = new Date();
	}else{
		var dateArray = dateString.split("-");
		date = new Date(dateArray[0], parseInt(dateArray[1] - 1), dateArray[2]);
	}
	//var weeks = new Array("日", "一", "二", "三", "四", "五", "六");
	//return "星期" + weeks[date.getDay()];
	return "week" + "day one two three four five six".charAt(date.getDay());
};

 

>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>.

Sweet Potato Yao December 30, 2016 08:47:38 Friday

http://fanshuyao.iteye.com/