javascript - if( x.substr(0, 5) == "live:") Not Working -


i don't know why code not working

if (x.substr(0, 5) == "live:") {     document.getelementbyid("errmsg").innerhtml = "please remove "live:" press enter";     return false; }

totally using code given below:

if (x.substr(0, 1).match(/[a-za-z]/) == null) {     document.getelementbyid("errmsg").innerhtml = "username starts letters";     return false; }  if (x.substr(0, 5) == "live:") {     document.getelementbyid("errmsg").innerhtml = "please remove "live:" press enter";     return false; }

so here, x.substr(0, 1) working fine second step creating issue.

actually want put check first 5 letters if live: give error.

what missing?

the substring test working.

i believe have syntax error quotations. document.getelementbyid("errmsg").innerhtml = "please remove "live:" press enter";

should be
document.getelementbyid("errmsg").innerhtml = "please remove 'live:' press enter";

the " before live: ends string , causes compilation error, because js doesn't know live:.


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