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In JavaScript, you can use the slice() method of the String object to remove the first character of the string. The syntax is "String object.slice(1)"; the slice() method can extract the string. The substring starting at the specified position and ending at the specified position, and returns the extracted part as a new string.
The operating environment of this tutorial: windows7 system, javascript version 1.8.5, Dell G3 computer.
In JavaScript, you can use the slice() method of the String object to remove the first character of the string.
Example:
const text = 'abcdef' const editedText = text.slice(1) console.log(editedText);
Description:
slice() method can extract a certain part of the string , and returns the extracted part as a new string.
Syntax:
string.slice(start,end)
| Parameters | Description |
|---|---|
| start | must. The starting index of the fragment to be extracted, with the first character position being 0. If it is a negative number, it is intercepted from the end. |
| end | Optional. The index immediately following the end of the segment to be intercepted. If this parameter is not specified, the substring to be extracted includes the string from start to the end of the original string. If this parameter is negative, it specifies the position from the end of the string. slice(-2) means extracting the penultimate element to the last element (including the last element) in the original array. |
start The first character position in the parameter string is 0, the second character position is 1, and so on, if it is a negative number, it means How many strings to intercept from the tail, slice(-2) means extracting the penultimate element to the last element (including the last element) in the original array.
#If the end parameter is a negative number, -1 refers to the position of the last character of the string, -2 refers to the second to last character, and so on.
Return value: extracted string.
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