Справица:Calculator.js - Историја измена

KockaAdmiralac: Dodaj upozorenja pri neuspelim evaluacijama izraza

2022-02-07T10:21:49Z

Dodaj upozorenja pri neuspelim evaluacijama izraza

← Старија измена		Верзија на датум 7. фебруар 2022. у 12:21
Ред 31:		Ред 31:
	function resolveVariable(calc, variable) {		function resolveVariable(calc, variable) {
	if (OPERATORS[variable]) {		if (OPERATORS[variable]) {
			console.warn('[Calculator] Attempting to use operator', variable, 'as a variable');
	// You cannot name a variable the same as an operator.		// You cannot name a variable the same as an operator.
	return null;		return null;
Ред 36:		Ред 37:
	var num = Number(variable);		var num = Number(variable);
	if (!Number.isNaN(num)) {		if (!Number.isNaN(num)) {
			// This is a constant.
	return num;		return num;
	}		}
	return variables[calc][variable];		if (variables[calc] && typeof variables[calc][variable] === 'number') {
			// This is a variable.
			return variables[calc][variable];
			}
			console.warn('[Calculator] Variable', variable, 'undefined for calculator', calc);
	}		}
	function updateCalculator($calc, id) {		function updateCalculator($calc, id) {
	~~// TODO: Multiple expressions, which are also variables.~~
	$calc.find('[data-expression]').each(function(_, el) {		$calc.find('[data-expression]').each(function(_, el) {
	var $result = $(el);		var $result = $(el);
Ред 50:		Ред 55:
	if (OPERATORS[item]) {		if (OPERATORS[item]) {
	if (SINGLE_OPERAND.includes(item)) {		if (SINGLE_OPERAND.includes(item)) {
			if (stack.length < 1) {
			console.warn('[Calculator] Popping from an empty stack during a unary operation!');
			continue;
			}
	stack.push(OPERATORS[item](stack.pop()));		stack.push(OPERATORS[item](stack.pop()));
	} else {		} else {
			if (stack.length < 2) {
			console.warn('[Calculator] Popping from an empty stack during a binary operation!');
			continue;
			}
	var arg1 = stack.pop();		var arg1 = stack.pop();
	var arg2 = stack.pop();		var arg2 = stack.pop();
Ред 59:		Ред 72:
	stack.push(resolveVariable(id, item));		stack.push(resolveVariable(id, item));
	}		}
			}
			if (stack.length === 0) {
			console.warn('[Calculator] There is no result on the stack!');
			return;
			} else if (stack.length > 1) {
			console.warn('[Calculator] There are multiple results on the stack!');
	}		}
	var result = stack.pop();		var result = stack.pop();

KockaAdmiralac: Softverski ograniči pročitani broj

2021-07-08T19:46:12Z

Softverski ograniči pročitani broj

← Старија измена		Верзија на датум 8. јул 2021. у 21:46
Ред 70:		Ред 70:
	function changedVariable(event) {		function changedVariable(event) {
	var $var = $(event.target);		var $var = $(event.target);
			var min = Number($var.attr('min'));
			var max = Number($var.attr('max'));
	var varName = $var.parent().attr('data-variable');		var varName = $var.parent().attr('data-variable');
	var $calc = $var.closest('.calculator');		var $calc = $var.closest('.calculator');
	var calc = Number($calc.attr('data-id'));		var calc = Number($calc.attr('data-id'));
	~~variables[calc][varName]~~ = Number($var.val().trim());		var value = Number($var.val().trim());
			if (value < min) {
			value = min;
			$var.val(value);
			} else if (value > max) {
			value = max;
			$var.val(value);
			}
			variables[calc][varName] = value;
	updateCalculator($calc, calc);		updateCalculator($calc, calc);
	}		}

KockaAdmiralac: Spravica za računanje matematičkih izraza sa zadatim unosom

2021-07-08T19:11:49Z

Spravica za računanje matematičkih izraza sa zadatim unosom

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