As you may know, in JavaScript '' + null = "null" and '' + undefined = "undefined" (in most browsers I can test: Firefox, Chrome and IE). I would like to know the origin of this oddity (what the heck was in the head on...
I have a text input as follows: <input class="input-large" form="form" type="text" name="product_data[product]" id="product_description_product" value="{$product_data.product}" /> Unfortunately...I have been given the two strings "str1" and "str2" and I need to join them into a single string. The result should be something like this: "String1, String 2". The "str1" and "str2" variables however do not ha...
I was comparing two branches and there is a divergence in code while the + operator, in my opinion it doesn't make any difference since it's push. Is there any difference? Before if (numberPattern.test(val)) { var getNumbers = v...how can i transfer the Value from Input 1 in 2 and add some letters? <script type="text/javascript"> function doit(){ document.getElementById('input2').value=document.getElementById('input1').value; } </script>...Is there any way to concat a js function name? right now I have this: switch (playId) { case "11": play11(); break; case "22": play22(); break; case "33"...How can I combine this code with all single and double quotes as it should be. I have tried several combinations and I can't make it work. This one is my last try so please help. What would be a good approach when working with long strings? $ht...
What does the following evaluate to? "1"+2+4 What about this: 5 + 4 + "3" In the first case since "1" is a string, everything is a string, so the result is "124". In the second case, its 93.what is happening her...
In Javascript, hello += ' world' // is shorthand for hello = hello + ' world' Is there a shorthand operator for the opposite direction? hello = ' world' + hello I tried hello =+ ' world' but it did not work: it j...
myCoolObject { a: 0 b: 12 c: 24 } I want to concatenate a, b and c so that they look like a unique string "a-b-c" (or "0-12-24" in the example). a, b and c will always represent numbers. Converting each one of them from int t...©2020 All rights reserved.