new Date converts strings into date formats Compatible with IE, how ie8 converts strings into date formats through new Date, how to replace strings in js, and explain the replace() method in detail

new Date converts strings into date formats compatible with IE, how ie8 converts strings into date formats through new Date, how to replace strings in js, and the replace() method in detail

//Get the year, month, day, hour, minute and second//Incoming date //Example: 2020-10-27T14:36:23var timeFormatSeconds = function(time, type) {var d = time ? new Date(time) : new Date();if(time){time=time.replace(/-/g,"/"); //For compatibility with IEd = new Date(time);}else{d = new Date();}var year = d.getFullYear();var month = d.getMonth() + 1;var day = d.getDate();var hours = d.getHours();var min = d.getMinutes();var seconds = d.getSeconds();if (month < 10) month = '0' + month;if (day < 10) day = '0' + day;if (hours < 0) hours = '0' + hours;if (min < 10) min = '0' + min;if (seconds < 10) seconds = '0' + seconds;var res = "";switch (type) {case 1:res = (year + '-' + month + '-' + day + ' ' + hours + ':' + min);break;case 2:res = (year + '-' + month + '-' + day);break;default:res = (year + '-' + month + '-' + day + ' ' + hours + ':' + min + ':' + seconds);break;}return res;}

The browser will report an error using the replace() method, don't worry, the method execution process is normal

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How ie8 converts a string into a date format through new Date

Original: How does yie8 convert a string into a date format through new Date_Murong Tusu's Blog - CSDN Blog

How ie8 converts stringconvert to date format

javaScript ie8 does not support new Date("2017-07-01");

Only supports new Date("2017/07/01")

So in web development, if you need to be compatible with ie, you can use new Date("2017/07/01") to convert the string into time format

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Detailed explanation of replace() method

Original

How to replace strings in js-js Tutorial-PHP Chinese Network

Method for string replacement in js:

1. Use regular expressions, the syntax is [str.replace("string to be replaced", "new string")];

2. Use the conventional replacement method, the syntax is [str.replace(/string to be replaced/g, "new string")].

The method of string replacement in js:

Two methods: regular & regular

str.replace("string to be replaced", "new string") 

str.replace(/string to be replaced/g, "new string")

For example:

1.

"yyyy-MM-dd-hh-mm-ss".replace("-","/")

The results are as follows:

"yyyy/MM-dd-hh-mm-ss"

2.

"yyyy-MM-dd-hh-mm-ss".replace(/-/g,"/")

The results are as follows:

"yyyy/MM/dd/hh/mm/ss"

In summary:

Regular replacement will only replace the first matching character, regular replacement can replace all