Use print() to print a string to the console of your browser : import ‘dart:html’; main() { var value = querySelector(‘input’).value; print(‘The value of the input is: $value’); } You will see a message printed to the developer console. Follow this answer to receive notifications.9 May 2016
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You can use stdout : import “dart:io”; stdout. write(“foo”); will print foo to the console but not place a \n after it.
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Contents in this project Print Console Log Message in Flutter App for Testing Purpose in Android iOS Example Tutorial:
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To append two strings in Dart, use concatenation operator + . + accepts two strings as operands and returns concatenated string.
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If you simlpy want to print text to the console you can use print(‘Text’) . But if you want to access the advanced fatures of the DevTools console you need to use the Console class from dart:html : Console. log(‘Text’) . It supports printing on different levels (info, warn, error, debug).9 May 2016
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