Answers for "how to erase every string after a certain word javascript"

remove word from string javascript

var str = "delete-this"
str.replace('delete-','') // str = "this"

javascript str remove everything after character

var URL = "http://stackoverflow.com/questions/10767815/remove-everything-before-the-last-occurrence-of-a-character";
alert(URL.substring(0, URL.lastIndexOf("/") + 1));