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Here is something I used in NSString ...
[NSString stringWithFormat:@"This is a digit %d", 10];
the 10 value will go to %d...., and the string will become "This is a digit 10", is there any similar thing in javascript? Thank you... Also, I would like to know, what is this call??
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${} is a placeholder that is used in template literals. You can use any valid JavaScript expression such as variable, arithmetic operation, function call, and others inside ${}. The expression used inside ${} is executed at runtime, and its output is passed as a string to template literals.
Explanation of the example: In the above example, when str1 and str2 are compared after using the toUpperCase method, the expression JAVASCRIPT == JAVASCRIPT would return true as they are the same strings after both being in upper case. Here, the equality operator (==) is used to check if both the strings are the same.
A string is a sequence of one or more characters that may consist of letters, numbers, or symbols. Strings in JavaScript are primitive data types and immutable, which means they are unchanging.
To check if two strings are equal in JavaScript, use equal-to operator == and pass the two strings as operands. The equal-to operator returns a boolean value of true if the two strings are equal, or else, it returns false.
There is no built-in string formatting, but you can use a JavaScript library to do the same: sprintf().
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You can concatenate strings easily in Javascript:
var str = "This is a digit " + 10;
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