How to convert JSON results into a date using JavaScript ?

The task is to convert a JSON result to JavaScript Date with the help of JavaScript. There are two methods which are discussed below:
Approach 1:
- Use substr() method to get the integer part of the string.
- Use the parseInt() method followed by Date() to get the JavaScript date.
Example: This example implements the above approach.
html
| <h1style="color:green;">     zambiatek </h1>  <pid="GFG_UP"> </p>  <buttononclick="gfg_Run()">     click here </button>  <pid="GFG_DOWN"> </p>  <script>     var el_up = document.getElementById("GFG_UP");     var el_down = document.getElementById("GFG_DOWN");     var jsonDate = '/Date(1559083200000)/';          el_up.innerHTML = "Click on the button to convert"                 + " JSON result to JavaScript Date."                 + "<br>JSON Date - " + jsonDate;          function gfg_Run() {         var date = new Date(parseInt(jsonDate.substr(6)));         el_down.innerHTML = date;     }         </script> | 
Output:
 
How to convert JSON results into a date using JavaScript ?
Approach 2:
- Use the regExp to get the integer part of the string.
- Use the Date() method to get the JavaScript date.
Example: This example implements the above approach.
html
| <h1style="color:green;">     zambiatek </h1>  <pid="GFG_UP"> </p>  <buttononclick="gfg_Run()">     click here </button>  <pid="GFG_DOWN"> </p>  <script>     var el_up = document.getElementById("GFG_UP");     var el_down = document.getElementById("GFG_DOWN");     var jsonDate = '/Date(1559083200000)/';          el_up.innerHTML = "Click on the button to convert"                 + " JSON result to JavaScript Date."                 + "<br>JSON Date - " + jsonDate;          function gfg_Run() {         var date = new Date(jsonDate.match(/\d+/)[0] * 1);         el_down.innerHTML = date;     }         </script> | 
Output:
 
How to convert JSON results into a date using JavaScript ?
 
				 
					


