https://diabetesvoice.org/wp-content/plugins/bettr-cf7-style-editor/public/js/ta-scripts.js?x37669

1(function($) {
2
3
4	/***
5	 *    $$$$$$$$\ $$$$$$$$\ $$\   $$\ $$$$$$$$\  $$$$$$\  $$$$$$$\  $$$$$$$$\  $$$$$$\
6	 *    \__$$  __|$$  _____|$$ |  $$ |\__$$  __|$$  __$$\ $$  __$$\ $$  _____|$$  __$$\
7	 *       $$ |   $$ |      \$$\ $$  |   $$ |   $$ /  $$ |$$ |  $$ |$$ |      $$ /  $$ |
8	 *       $$ |   $$$$$\     \$$$$  /    $$ |   $$$$$$$$ |$$$$$$$  |$$$$$\    $$$$$$$$ |
9	 *       $$ |   $$  __|    $$  $$<     $$ |   $$  __$$ |$$  __$$< $$  __|   $$  __$$ |
10	 *       $$ |   $$ |      $$  /\$$\    $$ |   $$ |  $$ |$$ |  $$ |$$ |      $$ |  $$ |
11	 *       $$ |   $$$$$$$$\ $$ /  $$ |   $$ |   $$ |  $$ |$$ |  $$ |$$$$$$$$\ $$ |  $$ |
12	 *       \__|   \________|\__|  \__|   \__|   \__|  \__|\__|  \__|\________|\__|  \__|
13	 *
14	 *
15	 *
16	 */
17	var textarea = document.querySelector('textarea.wpcf7-textarea');
18	var ta = $('textarea.wpcf7-textarea')
19	if( $(ta).length > 0){
20		$(ta).attr('rows', ta_script_vars.height);
21		textarea.addEventListener('keydown', autosize);
22
23	function autosize(){
24
25	  var el = this;
26
27	  var elh = $(this).outerHeight();
28
29	  setTimeout(function(){
30	    el.style.cssText = 'height:auto;';
31	    // for box-sizing other than "content-box" use:
32	   //el.style.cssText = '-moz-box-sizing:content-box';
33
34	    el.style.cssText = 'height:' + el.scrollHeight + 'px;' + 'min-height:' + elh + 'px;';
35	  },0);
36	}
37}
38}(jQuery));