Practice More Questions From: Module quiz: The Building Blocks of a Program
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What data type is the variable x ? var x = {};
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What will be the output of running the following code? try {console.log(‘hello)} catch(e) {console.log(‘caught’)}
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What value is printed when the following code runs? var burger = [“bun”, “beef”, “lettuce”, “tomato sauce”, “onion”, “bun”]; console.log(burger[2]);
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In the following code, how many methods does the bicycle object have? var bicycle = { wheels: 2, start: function() { }, stop: function() { } };
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When the following code runs, what will print out? try { throw new Error(); console.log(‘Hello’); } catch(err) { console.log(‘Goodbye’); }
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If you mis-type some code in your JavaScript, what kind of error will that result in?
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Will the following code execute without an error? function add(a, b) { console.log(a + b) } add(3, “4”);
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What will be printed when the following code runs? var result; console.log(result);
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What will be the output of the following code? var str = “Hello”;str.match(“jello”);
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What will be the output of the following code? try {Number(5).toPrecision(300)} catch(e) {console.log(“There was an error”)}
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