[lp_page_timer]

Description

Returns the elapsed time in milliseconds.
           
_date_msec rolls over to zero once a day (?), so there will be one time per day that maybe it will return a large, negative number.
           
[lp_page_timer] returns the elapse time in milliseconds except when first called (default is it returns nothing)
           
[lp_page_timer: -showfirst] will return zero on the first call instead.
           
Calling it multiple times will cause it to return elapse seconds between each call.

Note: creates a page-only variable called "lp_page_timer" to store the clock_ticks value.

Sample Usage

[lp_page_timer]
[sleep: 50]
[lp_page_timer]
[sleep: 200]
[lp_page_timer]
[sleep: 10]
[lp_page_timer]

Source Code

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[ 

define_tag: 'lp_page_timer',
		-description='Returns the elapsed time in milliseconds.
			
			_date_msec rolls over to zero once a day (?), so there will be one time per day that *maybe* it will return a large, negative number
			
			usage: [lp_page_timer] returns the elapse time in milliseconds except when first called (default is it returns nothing)
			
			[lp_page_timer: -showfirst] will return zero on the first call instead
			
			calling it multiple times will cause it to return elapse seconds between each call
			
			note: creates a page-only variable called "lp_page_timer" to store the clock_ticks value
			',
		 -priority='replace';

	if: var_defined:'__lp_page_timer';
		local:'prev' = $__lp_page_timer;
		$__lp_page_timer = _date_msec;
		return: integer: ($__lp_page_timer - #prev);
	else;
		var:'__lp_page_timer' = _date_msec;
		if: params->size > 0;
			return: integer: 0;
		/if;
	/if;	
/define_tag;

]

Related Tags

• js_timer
• timer

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