var string1 = ”123”; var intvalue = 123; alert( string1 + intvalue );
Answer: 123123
var string1 = ”123”; var intvalue = 123; alert( string1 + intvalue );
Answer: 123123
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Consider the following JavaScript statements.
var text = "testing: 1, 2, 3"; // Sample text
var pattern = /\d+/g // Matches all instances of one or more digits
In order to check if the pattern matches with the string “text”, the statement is ____________
Answer: pattern.test(text)
Answer: Invocation expression
Answer: in
Answer: Lvalue
x = ~-y; w = x = y = z; q = a?b:c?d:e?f:g;
Answer:x = ~(-y); w = (x = (y = z)); q = a?b:(c?d:(e?f:g));
function output(option) { return (option ? “yes” : “no”); } bool ans=true; console.log(output(ans));
Answer: Yes
var obj= { length:20, height:35, } if (‘breadth' in obj === false) { obj.breadth = 12; } console.log(obj.breadth);
Answer: 12
function height() { var height = 123.56; var type = (height>=190) ? "tall" : "short"; return type; }
Answer: short
string a = ”hi”; string b =”there”; alert(a+b);
Answer: hithere
function output(object) { var place=object ? object.place : “Italy”; return “clean:”+ place; } console.log(output({place:India}));
Answer: clean:India