User:Technical 13/SandBox/TWAcontents.js

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$(document).click( function(e) {
	var $target = $(e.target);
	if ( ! $target.is('.wp-teahouse-question-form *') && ! $target.is('.wp-teahouse-ask *')) {
		var requestData = {
			action:"edit",
			title: "Wikipedia:"+mw.config.get( 'wgTitle' ),
			appendtext: "Hello, World!",
			summary: "Testing [[User:Technical_13/SandBox/TWAcontents.js]]",
			token:mw.user.tokens.get( 'editToken' )
		};
		$.post(mw.config.get( 'wgScriptPath' ) + '/api.php', requestData, function(responseData){
			//Whatever you want to do *after* the edit is posted goes here. For example:
			alert("posted successfully!");
		});
	}
} );