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Showing and Removing the First Item

Get and remove first value from list

				
					{"blocks":"<xml xmlns=\"https://developers.google.com/blockly/xml\"><variables><variable>text_list</variable><variable>list</variable></variables><block type=\"array_shift\" disabled=\"true\" x=\"-22\" y=\"338\"><value name=\"list\"><block type=\"variables_get\" disabled=\"true\"><field name=\"VAR\">list</field></block></value></block></xml>"}
				
			

This block is used to show and remove the first value inside array.

Parameters: Screen Item (Array)

Output: Screen Item

Sample code:

				
					{"blocks":"<xml xmlns=\"https://developers.google.com/blockly/xml\"><variables><variable>text_list</variable><variable>index</variable></variables><block type=\"pxt-on-start\" x=\"0\" y=\"0\"><statement name=\"HANDLER\"><block type=\"variables_set\"><field name=\"VAR\">text_list</field><value name=\"VALUE\"><shadow type=\"math_number\"><field name=\"NUM\">0</field></shadow><block type=\"lists_create_with\"><mutation items=\"3\" horizontalafter=\"3\"/><value name=\"ADD0\"><shadow type=\"text\"><field name=\"TEXT\">a</field></shadow></value><value name=\"ADD1\"><shadow type=\"text\"><field name=\"TEXT\">b</field></shadow></value><value name=\"ADD2\"><shadow type=\"text\"><field name=\"TEXT\">c</field></shadow></value></block></value><next><block type=\"basic_consoleLogText\"><value name=\"text\"><block type=\"array_shift\"><value name=\"list\"><block type=\"variables_get\"><field name=\"VAR\">text_list</field></block></value></block></value><next><block type=\"basic_consoleLogText\"><value name=\"text\"><block type=\"typescript_expression\"><field name=\"EXPRESSION\">\"After removing th e value, the remaining values are:\"</field></block></value><next><block type=\"pxt_controls_for\"><value name=\"VAR\"><shadow type=\"variables_get_reporter\"><field name=\"VAR\">index</field></shadow></value><value name=\"TO\"><shadow type=\"math_whole_number\"><field name=\"NUM\">0</field></shadow><block type=\"math_arithmetic\"><field name=\"OP\">MINUS</field><value name=\"A\"><shadow type=\"math_number\"><field name=\"NUM\">0</field></shadow><block type=\"lists_length\"><value name=\"VALUE\"><block type=\"variables_get\"><field name=\"VAR\">text_list</field></block></value></block></value><value name=\"B\"><shadow type=\"math_number\"><field name=\"NUM\">1</field></shadow></value></block></value><statement name=\"DO\"><block type=\"basic_consoleLogText\"><value name=\"text\"><block type=\"lists_index_get\"><value name=\"LIST\"><block type=\"variables_get\"><field name=\"VAR\">text_list</field></block></value><value name=\"INDEX\"><shadow type=\"math_number\"><field name=\"NUM\">0</field></shadow><block type=\"variables_get\"><field name=\"VAR\">index</field></block></value></block></value></block></statement></block></next></block></next></block></next></block></statement></block></xml>"}
				
			

The output:

Get and Remove First Value from List - Output
Previous Showing and Removing the Last Item
Next Showing a Random Value