I am trying this code
<script>
var x=1;
var temp = '{"value":'+ (x==1)?1:0 +'}';
console.log(temp);
</script>
and expecting to give output like this
{"value":1}
but it is consoling only 1
why not the whole obj. string
can anyone tell me that what's wrong ?
Beside the missing parenthesis
var temp = '{"value":'+ (x == 1 ? 1 : 0) +'}';
// ^^^^^^^^^^^^^^^^
to give the conditional (ternary) operator ?: a higher operator precedence over the plus sign, you could use a different approach by using a short hand property for an object with ES6.
Thi sgenerates an object, instead of a string, which is better to generate. For using a stringified value, JSON.stringify creates a string in the wanted format.
var x = 1,
value = x === 1 ? 1 : 0,
temp = { value };
console.log(JSON.stringify(temp));
Your ternary statement is immediately followed by another + which it doesn't understand how to read. It appears incomplete as "0 + " [...nothing].
To evaluate that statement separately for use in the concatenated string, you need to either evaluate it in another statement, or enclose it in parentheses.
var x=1;
var temp = '{"value":'+ (x == 1 ? 1:0) +'}';
console.log(temp)Or, you could use ES6 Template Literal string interpolation instead of using + signs to concatenate the separate parts ... This syntax evaluates your ternary expression inline, then places the result inside the variable placeholder indicated by the dollar sign & curly braces ${[variable]}. The resulting string prints the value of the interpreted expression.
var temp = `{"value":${(x == 1) ? 1:0}}`
