18 行
		
	
	
		
			无行尾
		
	
	
		
			512 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			18 行
		
	
	
		
			无行尾
		
	
	
		
			512 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
| $('#eqslDefaultQSLMsg').keyup(function(event) {
 | |
|     calcRemainingChars(event);
 | |
| });
 | |
| 
 | |
| $('.qso_panel #qslmsg').keyup(function(event) {
 | |
|     calcRemainingChars(event, '.qso_panel');
 | |
| });
 | |
| 
 | |
| function calcRemainingChars(event, object = '') {
 | |
|     var remainingChars = 240 - $(event.target).val().length;
 | |
|     $(object + ' #charsLeft').text(remainingChars + "/240");
 | |
| 
 | |
|     if (remainingChars < 5) {
 | |
|         $(object + ' #charsLeft').css('color', 'red');
 | |
|     } else {
 | |
|         $(object + ' #charsLeft').css('color', '');
 | |
|     }
 | |
| } |