Merge pull request #3 from gskls/master

Fixed CE button now it's working

Author: Jobayer-Ahmed

javaScriptCalculator/script.js

@@ -54,7 +54,7 @@ class Calculator {
 		this.state.monitor.push(id);
 		this.state.output = this.state.monitor.join("");
 		this.render();
-		console.log(this.state.monitor);
+		console.log(this.state)
 	}
 
 	deleteAll() {
@@ -66,28 +66,36 @@ class Calculator {
 		this.leaveZero();
 	}
 
-	// not wroking
 	backOne() {
-		this.state.monitor.pop();
-		this.state.output = this.state.monitor.join("");
-		this.render();
-		console.log(this.state.monitor)
-		if (this.state.output === "") {
-			this.state.output = "0";
+		var monitor = [];
+		var state = this.state;
+
+		for (var i = 0; i < state.monitor.length - 1; i++) {
+			monitor[i] = state.monitor[i].toString().split("")
 		}
+
+		this.state = {
+			monitor: monitor,
+			output: monitor.join("")
+		}
+
+		if (state.output === "") {
+			state.output = "0";
+		}
+		this.render();
 	}
 
 	total() {
 		// give something wrong and see how it works
-		try{
+		try {
 			var total = eval(this.state.monitor.join(""));
-		}catch(e){
+		} catch (e) {
 			total = e;
 		}
 
 		this.state = {
 			output: total,
-			monitor: [].concat(total)
+			monitor: total.toString().split("")
 		};
 		this.render();
 	}

javaScriptCalculator/style.css

@@ -1,7 +1,6 @@
 * {
 	padding: 0;
 	margin: 0;
-	box-sizing: border-box;
 	font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
 	border: 0;
 }
@@ -57,6 +56,8 @@ body {
 }
 .calBody{
 	background: rgb(145, 215, 255);
+	border-bottom-left-radius: 5px;
+	border-bottom-right-radius: 5px;
 }
 
 #steps{