Compare two dates using JavaScript

In JavaScript, we can compare two dates by converting them into numeric value to corresponding to its time. First, we can convert the Date into a numeric value by using getTime() function. By converting the given dates into numeric value we can directly compare them.

Example-1:

<script> 
    // Current Date 
    var g1 = new Date(); 
    var g2 = new Date(); 
    if (g1.getTime() === g2.getTime()) 
        document.write("Both  are equal"); 
    else
        document.write("Not equal"); 
    javascript: ;  
</script> 

Output:

Both are equal

Example-2:

<script> 
    var g1 = new Date(); 
    // (YYYY-MM-DD) 
    var g2 = new Date(2019 - 08 - 03); 
    if (g1.getTime() < g2.getTime()) 
        document.write("g1 is lesser than g2"); 
    else if (g1.getTime() > g2.getTime()) 
        document.write("g1 is greater than g2"); 
    else
        document.write("both are equal"); 
  
javascript: ;  
</script> 

Output:

g1 is greater than g2

Example-3:

<script> 
    var g1 = new Date(2019, 08, 03, 11, 45, 55); 
    // (YYYY, MM, DD, Hr, Min, Sec) 
    var g2 = new Date(2019, 08, 03, 10, 22, 42); 
    if (g1.getTime() < g2.getTime()) 
        document.write("g1 is lesser than g2"); 
    else if (g1.getTime() > g2.getTime()) 
        document.write("g1 is greater than g2"); 
    else
        document.write("both are equal"); 
  
javascript: ;  
</script> 

Output:

g1 is greater than g2

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