问题
Help me pls
if(value == ""){
// do anything
}
but I need to check space " " (2,3,... space is include) is the same way of empty String
ps. sorry in my English
回答1:
A regex can easily solve this problem.
if (/^ *$/.test(value)) {
//string contains 0+ spaces only
}
回答2:
I'm not sure I'm understanding correctly. Do you mean like:
if (value == "" || value == " "){
// do anything
}
来源：https://stackoverflow.com/questions/36490984/js-how-to-check-empty-string-and-space